124642126651 has 32 divisors (see below), whose sum is σ = 158892433920. Its totient is φ = 95183424000.

The previous prime is 124642126649. The next prime is 124642126703. The reversal of 124642126651 is 156621246421.

It is not a de Polignac number, because 124642126651 - 2¹ = 124642126649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124642126351) by changing a digit.

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, 2897601 + ... + 2940301.

It is an arithmetic number, because the mean of its divisors is an integer number (4965388560).

Almost surely, 2^124642126651 is an apocalyptic number.

124642126651 is a deficient number, since it is larger than the sum of its proper divisors (34250307269).

124642126651 is a wasteful number, since it uses less digits than its factorization.

124642126651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44035.

The product of its digits is 138240, while the sum is 40.

The spelling of 124642126651 in words is "one hundred twenty-four billion, six hundred forty-two million, one hundred twenty-six thousand, six hundred fifty-one".