125455155 has 64 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 53121024.

The previous prime is 125455151. The next prime is 125455177. The reversal of 125455155 is 551554521.

It is not a de Polignac number, because 125455155 - 2² = 125455151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125455151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119071 + ... + 120119.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 2^125455155 is an apocalyptic number.

125455155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125455155 is a deficient number, since it is larger than the sum of its proper divisors (121303245).

125455155 is a wasteful number, since it uses less digits than its factorization.

125455155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its digits is 25000, while the sum is 33.

The square root of 125455155 is about 11200.6765420666. The cubic root of 125455155 is about 500.6061382293.

The spelling of 125455155 in words is "one hundred twenty-five million, four hundred fifty-five thousand, one hundred fifty-five".