125505150 has 24 divisors (see below), whose sum is σ = 311253144. Its totient is φ = 33468000.

The previous prime is 125505131. The next prime is 125505157. The reversal of 125505150 is 51505521.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125505150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125505157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418201 + ... + 418500.

It is an arithmetic number, because the mean of its divisors is an integer number (12968881).

Almost surely, 2^125505150 is an apocalyptic number.

125505150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125505150 is an abundant number, since it is smaller than the sum of its proper divisors (185747994).

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

125505150 is a wasteful number, since it uses less digits than its factorization.

125505150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836716 (or 836711 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 125505150 is about 11202.9081045950. The cubic root of 125505150 is about 500.6726280705.

The spelling of 125505150 in words is "one hundred twenty-five million, five hundred five thousand, one hundred fifty".