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430121121 = 3143373707
BaseRepresentation
bin11001101000110…
…010000010100001
31002222100102020220
4121220302002201
51340102333441
6110402553253
713441653303
oct3150620241
91088312226
10430121121
11200879401
12100068829
136b159751
14411a5973
1527b63466
hex19a320a1

430121121 has 4 divisors (see below), whose sum is σ = 573494832. Its totient is φ = 286747412.

The previous prime is 430121117. The next prime is 430121123. The reversal of 430121121 is 121121034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 430121121 - 22 = 430121117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 430121121.

It is not an unprimeable number, because it can be changed into a prime (430121123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71686851 + ... + 71686856.

It is an arithmetic number, because the mean of its divisors is an integer number (143373708).

Almost surely, 2430121121 is an apocalyptic number.

It is an amenable number.

430121121 is a deficient number, since it is larger than the sum of its proper divisors (143373711).

430121121 is a wasteful number, since it uses less digits than its factorization.

430121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143373710.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 430121121 is about 20739.3616343416. The cubic root of 430121121 is about 754.8550931641.

Adding to 430121121 its reverse (121121034), we get a palindrome (551242155).

The spelling of 430121121 in words is "four hundred thirty million, one hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 3 143373707 430121121