125682156 has 72 divisors (see below), whose sum is σ = 339066000. Its totient is φ = 39115776.

The previous prime is 125682149. The next prime is 125682157. The reversal of 125682156 is 651286521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125682156.

It is not an unprimeable number, because it can be changed into a prime (125682157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83095 + ... + 84593.

It is an arithmetic number, because the mean of its divisors is an integer number (4709250).

Almost surely, 2^125682156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125682156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169533000).

125682156 is an abundant number, since it is smaller than the sum of its proper divisors (213383844).

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

125682156 is a wasteful number, since it uses less digits than its factorization.

125682156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1658 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 125682156 is about 11210.8053234368. The cubic root of 125682156 is about 500.9078918005.

The spelling of 125682156 in words is "one hundred twenty-five million, six hundred eighty-two thousand, one hundred fifty-six".