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124060421 = 59101109191
BaseRepresentation
bin1110110010100…
…00001100000101
322122102220220102
413121100030011
5223224413141
620151013445
73034332122
oct731201405
9278386812
10124060421
1164035481
123566a285
131c919144
1412695749
15ad5899b
hex7650305

124060421 has 16 divisors (see below), whose sum is σ = 129254400. Its totient is φ = 119016000.

The previous prime is 124060403. The next prime is 124060457.

124060421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 124060421 - 218 = 123798277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124060393 and 124060402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124060471) 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 15 ways as a sum of consecutive naturals, for example, 649436 + ... + 649626.

It is an arithmetic number, because the mean of its divisors is an integer number (8078400).

Almost surely, 2124060421 is an apocalyptic number.

124060421 is the 6431-st octagonal number.

It is an amenable number.

124060421 is a deficient number, since it is larger than the sum of its proper divisors (5193979).

124060421 is a wasteful number, since it uses less digits than its factorization.

124060421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 124060421 is about 11138.2413782428. The cubic root of 124060421 is about 498.7440759509.

The spelling of 124060421 in words is "one hundred twenty-four million, sixty thousand, four hundred twenty-one".

Divisors: 1 59 101 109 191 5959 6431 11009 11269 19291 20819 649531 1138169 1228321 2102719 124060421