125129096 has 8 divisors (see below), whose sum is σ = 234617070. Its totient is φ = 62564544.

The previous prime is 125129077. The next prime is 125129099. The reversal of 125129096 is 690921521.

It can be written as a sum of positive squares in only one way, i.e., 125126596 + 2500 = 11186^2 + 50^2 .

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

It is not an unprimeable number, because it can be changed into a prime (125129099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7820561 + ... + 7820576.

Almost surely, 2^125129096 is an apocalyptic number.

It is an amenable number.

125129096 is a deficient number, since it is larger than the sum of its proper divisors (109487974).

125129096 is a wasteful number, since it uses less digits than its factorization.

125129096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15641143 (or 15641139 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 125129096 is about 11186.1117462682. Note that the first 3 decimals coincide. The cubic root of 125129096 is about 500.1720687779.

The spelling of 125129096 in words is "one hundred twenty-five million, one hundred twenty-nine thousand, ninety-six".