125280312 has 16 divisors (see below), whose sum is σ = 313200840. Its totient is φ = 41760096.

The previous prime is 125280301. The next prime is 125280317. The reversal of 125280312 is 213082521.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5220013 = 125280312 / (1 + 2 + 5 + 2 + 8 + 0 + 3 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125280317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2609983 + ... + 2610030.

Almost surely, 2^125280312 is an apocalyptic number.

125280312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125280312 is an abundant number, since it is smaller than the sum of its proper divisors (187920528).

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

125280312 is a wasteful number, since it uses less digits than its factorization.

125280312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220022 (or 5220018 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 125280312 is about 11192.8688011609. The cubic root of 125280312 is about 500.3734703037.

The spelling of 125280312 in words is "one hundred twenty-five million, two hundred eighty thousand, three hundred twelve".