125629803125 has 12 divisors (see below), whose sum is σ = 157027207428. Its totient is φ = 100503840000.

The previous prime is 125629803107. The next prime is 125629803151. The reversal of 125629803125 is 521308926521.

It can be written as a sum of positive squares in 6 ways, for example, as 76548502276 + 49081300849 = 276674^2 + 221543^2 .

It is not a de Polignac number, because 125629803125 - 2²⁶ = 125562694261 is a prime.

It is a Duffinian number.

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, 20097644 + ... + 20103893.

It is an arithmetic number, because the mean of its divisors is an integer number (13085600619).

Almost surely, 2^125629803125 is an apocalyptic number.

It is an amenable number.

125629803125 is a deficient number, since it is larger than the sum of its proper divisors (31397404303).

125629803125 is an frugal number, since it uses more digits than its factorization.

125629803125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40201562 (or 40201542 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 125629803125 in words is "one hundred twenty-five billion, six hundred twenty-nine million, eight hundred three thousand, one hundred twenty-five".