124855431 has 16 divisors (see below), whose sum is σ = 174071040. Its totient is φ = 79453440.

The previous prime is 124855399. The next prime is 124855433. The reversal of 124855431 is 134558421.

It is not a de Polignac number, because 124855431 - 2⁵ = 124855399 is a prime.

It is a super-2 number, since 2×124855431² = 31177757300391522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124855392 and 124855401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124855433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37815 + ... + 40983.

It is an arithmetic number, because the mean of its divisors is an integer number (10879440).

Almost surely, 2^124855431 is an apocalyptic number.

124855431 is a deficient number, since it is larger than the sum of its proper divisors (49215609).

124855431 is a wasteful number, since it uses less digits than its factorization.

124855431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766.

The product of its digits is 19200, while the sum is 33.

The square root of 124855431 is about 11173.8726948180. The cubic root of 124855431 is about 499.8071669737.

The spelling of 124855431 in words is "one hundred twenty-four million, eight hundred fifty-five thousand, four hundred thirty-one".