125608155 has 32 divisors (see below), whose sum is σ = 218562624. Its totient is φ = 61341696.

The previous prime is 125608151. The next prime is 125608169. The reversal of 125608155 is 551806521.

It is not a de Polignac number, because 125608155 - 2² = 125608151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125608151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2779 + ... + 16091.

It is an arithmetic number, because the mean of its divisors is an integer number (6830082).

Almost surely, 2^125608155 is an apocalyptic number.

125608155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125608155 is a deficient number, since it is larger than the sum of its proper divisors (92954469).

125608155 is a wasteful number, since it uses less digits than its factorization.

125608155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 125608155 is about 11207.5044055311. The cubic root of 125608155 is about 500.8095618451.

The spelling of 125608155 in words is "one hundred twenty-five million, six hundred eight thousand, one hundred fifty-five".