125965900 has 18 divisors (see below), whose sum is σ = 273346220. Its totient is φ = 50386320.

The previous prime is 125965843. The next prime is 125965901. The reversal of 125965900 is 9569521.

It is a self number, because there is not a number n which added to its sum of digits gives 125965900.

It is not an unprimeable number, because it can be changed into a prime (125965901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629730 + ... + 629929.

Almost surely, 2^125965900 is an apocalyptic number.

125965900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125965900 is an abundant number, since it is smaller than the sum of its proper divisors (147380320).

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

125965900 is a wasteful number, since it uses less digits than its factorization.

125965900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259673 (or 1259666 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 125965900 is about 11223.4531228139. The cubic root of 125965900 is about 501.2845636330.

It can be divided in two parts, 12596 and 5900, that added together give a square (18496 = 136²).

The spelling of 125965900 in words is "one hundred twenty-five million, nine hundred sixty-five thousand, nine hundred".