124134257057992 has 8 divisors (see below), whose sum is σ = 232751731983750. Its totient is φ = 62067128528992.

The previous prime is 124134257057963. The next prime is 124134257058011. The reversal of 124134257057992 is 299750752431421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76907041751556 + 47227215306436 = 8769666^2 + 6872206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 124134257057992.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7758391066117 + ... + 7758391066132.

Almost surely, 2^{124134257057992} is an apocalyptic number.

It is an amenable number.

124134257057992 is a deficient number, since it is larger than the sum of its proper divisors (108617474925758).

124134257057992 is a wasteful number, since it uses less digits than its factorization.

124134257057992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15516782132255 (or 15516782132251 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 124134257057992 in words is "one hundred twenty-four trillion, one hundred thirty-four billion, two hundred fifty-seven million, fifty-seven thousand, nine hundred ninety-two".