125901270 has 64 divisors (see below), whose sum is σ = 366266880. Its totient is φ = 30520800.

The previous prime is 125901263. The next prime is 125901271. The reversal of 125901270 is 72109521.

125901270 is a `hidden beast` number, since 1 + 2 + 590 + 1 + 2 + 70 = 666.

It is a super-2 number, since 2×125901270² = 31702259575225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125901271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18226 + ... + 24165.

It is an arithmetic number, because the mean of its divisors is an integer number (5722920).

Almost surely, 2^125901270 is an apocalyptic number.

125901270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125901270 is an abundant number, since it is smaller than the sum of its proper divisors (240365610).

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

125901270 is a wasteful number, since it uses less digits than its factorization.

125901270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42418 (or 42412 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 125901270 is about 11220.5735147540. The cubic root of 125901270 is about 501.1988167131.

The spelling of 125901270 in words is "one hundred twenty-five million, nine hundred one thousand, two hundred seventy".