125451315 has 64 divisors (see below), whose sum is σ = 253946880. Its totient is φ = 58164480.

The previous prime is 125451307. The next prime is 125451329. The reversal of 125451315 is 513154521.

It is not a de Polignac number, because 125451315 - 2³ = 125451307 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32319 + ... + 35991.

It is an arithmetic number, because the mean of its divisors is an integer number (3967920).

Almost surely, 2^125451315 is an apocalyptic number.

125451315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125451315 is an abundant number, since it is smaller than the sum of its proper divisors (128495565).

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

125451315 is a wasteful number, since it uses less digits than its factorization.

125451315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721 (or 3715 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 125451315 is about 11200.5051225380. The cubic root of 125451315 is about 500.6010305684.

The spelling of 125451315 in words is "one hundred twenty-five million, four hundred fifty-one thousand, three hundred fifteen".