124638074997 has 16 divisors (see below), whose sum is σ = 174733244928. Its totient is φ = 78872633840.

The previous prime is 124638074989. The next prime is 124638075011. The reversal of 124638074997 is 799470836421.

It is a cyclic number.

It is not a de Polignac number, because 124638074997 - 2³ = 124638074989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124638074997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124638064997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6885423 + ... + 6903500.

It is an arithmetic number, because the mean of its divisors is an integer number (10920827808).

Almost surely, 2^124638074997 is an apocalyptic number.

It is an amenable number.

124638074997 is a deficient number, since it is larger than the sum of its proper divisors (50095169931).

124638074997 is a wasteful number, since it uses less digits than its factorization.

124638074997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789080.

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 124638074997 in words is "one hundred twenty-four billion, six hundred thirty-eight million, seventy-four thousand, nine hundred ninety-seven".