125129455 has 16 divisors (see below), whose sum is σ = 164916000. Its totient is φ = 90386560.

The previous prime is 125129419. The next prime is 125129467. The reversal of 125129455 is 554921521.

It is not a de Polignac number, because 125129455 - 2⁷ = 125129327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125129455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (10307250).

Almost surely, 2^125129455 is an apocalyptic number.

125129455 is a deficient number, since it is larger than the sum of its proper divisors (39786545).

125129455 is a wasteful number, since it uses less digits than its factorization.

125129455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15434.

The product of its digits is 18000, while the sum is 34.

The square root of 125129455 is about 11186.1277929407. The cubic root of 125129455 is about 500.1725471148.

The spelling of 125129455 in words is "one hundred twenty-five million, one hundred twenty-nine thousand, four hundred fifty-five".