125047812 has 24 divisors (see below), whose sum is σ = 292372416. Its totient is φ = 41597728.

The previous prime is 125047807. The next prime is 125047817. The reversal of 125047812 is 218740521.

It is an interprime number because it is at equal distance from previous prime (125047807) and next prime (125047817).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125047812.

It is not an unprimeable number, because it can be changed into a prime (125047817) 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, 4323 + ... + 16394.

It is an arithmetic number, because the mean of its divisors is an integer number (12182184).

Almost surely, 2^125047812 is an apocalyptic number.

125047812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125047812 is an abundant number, since it is smaller than the sum of its proper divisors (167324604).

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

125047812 is a wasteful number, since it uses less digits than its factorization.

125047812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21227 (or 21225 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 125047812 is about 11182.4779007159. The cubic root of 125047812 is about 500.0637412071.

The spelling of 125047812 in words is "one hundred twenty-five million, forty-seven thousand, eight hundred twelve".