125105712 has 40 divisors (see below), whose sum is σ = 325145856. Its totient is φ = 41449536.

The previous prime is 125105711. The next prime is 125105723. The reversal of 125105712 is 217501521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (125105711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213 + ... + 15819.

Almost surely, 2^125105712 is an apocalyptic number.

125105712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125105712 is an abundant number, since it is smaller than the sum of its proper divisors (200040144).

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

125105712 is a wasteful number, since it uses less digits than its factorization.

125105712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15785 (or 15779 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 125105712 is about 11185.0664727573. The cubic root of 125105712 is about 500.1409096186.

The spelling of 125105712 in words is "one hundred twenty-five million, one hundred five thousand, seven hundred twelve".