125028142866 has 64 divisors (see below), whose sum is σ = 306504259200. Its totient is φ = 37461600000.

The previous prime is 125028142831. The next prime is 125028142873. The reversal of 125028142866 is 668241820521.

125028142866 is a `hidden beast` number, since 1 + 2 + 502 + 81 + 4 + 2 + 8 + 66 = 666.

It is a super-3 number, since 3×125028142866³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129635 + ... + 1235366.

It is an arithmetic number, because the mean of its divisors is an integer number (4789129050).

Almost surely, 2^125028142866 is an apocalyptic number.

125028142866 is an abundant number, since it is smaller than the sum of its proper divisors (181476116334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125028142866 is a wasteful number, since it uses less digits than its factorization.

125028142866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365112 (or 2365106 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 125028142866 in words is "one hundred twenty-five billion, twenty-eight million, one hundred forty-two thousand, eight hundred sixty-six".