125126512654 has 24 divisors (see below), whose sum is σ = 221714225352. Its totient is φ = 52500633120.

The previous prime is 125126512573. The next prime is 125126512673. The reversal of 125126512654 is 456215621521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16823409 + ... + 16830844.

It is an arithmetic number, because the mean of its divisors is an integer number (9238092723).

Almost surely, 2^125126512654 is an apocalyptic number.

125126512654 is a deficient number, since it is larger than the sum of its proper divisors (96587712698).

125126512654 is a wasteful number, since it uses less digits than its factorization.

125126512654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33654292 (or 33654279 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The spelling of 125126512654 in words is "one hundred twenty-five billion, one hundred twenty-six million, five hundred twelve thousand, six hundred fifty-four".