125155110 has 16 divisors (see below), whose sum is σ = 300372336. Its totient is φ = 33374688.

The previous prime is 125155099. The next prime is 125155111. The reversal of 125155110 is 11551521.

It is a super-2 number, since 2×125155110² = 31327603118224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125155111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085889 + ... + 2085948.

It is an arithmetic number, because the mean of its divisors is an integer number (18773271).

Almost surely, 2^125155110 is an apocalyptic number.

125155110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125155110 is an abundant number, since it is smaller than the sum of its proper divisors (175217226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125155110 is a wasteful number, since it uses less digits than its factorization.

125155110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171847.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 125155110 is about 11187.2744670004. The cubic root of 125155110 is about 500.2067278487.

The spelling of 125155110 in words is "one hundred twenty-five million, one hundred fifty-five thousand, one hundred ten".