125213886 has 48 divisors (see below), whose sum is σ = 323541504. Its totient is φ = 34219152.

The previous prime is 125213849. The next prime is 125213903. The reversal of 125213886 is 688312521.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125213886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18706 + ... + 24501.

It is an arithmetic number, because the mean of its divisors is an integer number (6740448).

Almost surely, 2^125213886 is an apocalyptic number.

125213886 is an abundant number, since it is smaller than the sum of its proper divisors (198327618).

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

125213886 is a wasteful number, since it uses less digits than its factorization.

125213886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43245 (or 43242 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 125213886 is about 11189.9010719488. The cubic root of 125213886 is about 500.2850188310.

The spelling of 125213886 in words is "one hundred twenty-five million, two hundred thirteen thousand, eight hundred eighty-six".