125105910 has 32 divisors (see below), whose sum is σ = 300624480. Its totient is φ = 33320448.

The previous prime is 125105833. The next prime is 125105969. The reversal of 125105910 is 19501521.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28204 + ... + 32336.

It is an arithmetic number, because the mean of its divisors is an integer number (9394515).

Almost surely, 2^125105910 is an apocalyptic number.

125105910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125105910 is an abundant number, since it is smaller than the sum of its proper divisors (175518570).

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

125105910 is a wasteful number, since it uses less digits than its factorization.

125105910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 125105910 is about 11185.0753238411. The cubic root of 125105910 is about 500.1411734697.

The spelling of 125105910 in words is "one hundred twenty-five million, one hundred five thousand, nine hundred ten".