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1234121430 = 23553776177
BaseRepresentation
bin100100110001111…
…0011001011010110
310012000012212100010
41021203303023112
510011413341210
6322243301050
742403600443
oct11143631326
93160185303
101234121430
115836a1773
122a537a786
131688b0389
14b9c929ca
157352a920
hex498f32d6

1234121430 has 32 divisors (see below), whose sum is σ = 3017780064. Its totient is φ = 322889216.

The previous prime is 1234121423. The next prime is 1234121513. The reversal of 1234121430 is 341214321.

1234121430 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1234121397 and 1234121406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386499 + ... + 389678.

It is an arithmetic number, because the mean of its divisors is an integer number (94305627).

Almost surely, 21234121430 is an apocalyptic number.

1234121430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1234121430 is an abundant number, since it is smaller than the sum of its proper divisors (1783658634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234121430 is a wasteful number, since it uses less digits than its factorization.

1234121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776240.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1234121430 is about 35130.0644747487. The cubic root of 1234121430 is about 1072.6366483317.

Adding to 1234121430 its reverse (341214321), we get a palindrome (1575335751).

The spelling of 1234121430 in words is "one billion, two hundred thirty-four million, one hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 776177 1552354 2328531 3880885 4657062 7761770 11642655 23285310 41137381 82274762 123412143 205686905 246824286 411373810 617060715 1234121430