124404430645 has 32 divisors (see below), whose sum is σ = 173962650240. Its totient is φ = 84400189440.

The previous prime is 124404430627. The next prime is 124404430789. The reversal of 124404430645 is 546034404421.

It is not a de Polignac number, because 124404430645 - 2²³ = 124396042037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483075 + ... + 694384.

It is an arithmetic number, because the mean of its divisors is an integer number (5436332820).

Almost surely, 2^124404430645 is an apocalyptic number.

It is an amenable number.

124404430645 is a deficient number, since it is larger than the sum of its proper divisors (49558219595).

124404430645 is a wasteful number, since it uses less digits than its factorization.

124404430645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177605.

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 124404430645 in words is "one hundred twenty-four billion, four hundred four million, four hundred thirty thousand, six hundred forty-five".