125204136 has 64 divisors (see below), whose sum is σ = 329400000. Its totient is φ = 39599616.

The previous prime is 125204087. The next prime is 125204161. The reversal of 125204136 is 631402521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39540 + ... + 42588.

It is an arithmetic number, because the mean of its divisors is an integer number (5146875).

Almost surely, 2^125204136 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 125204136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164700000).

125204136 is an abundant number, since it is smaller than the sum of its proper divisors (204195864).

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

125204136 is a wasteful number, since it uses less digits than its factorization.

125204136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146 (or 3142 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 125204136 is about 11189.4654027795. The cubic root of 125204136 is about 500.2720333023.

Adding to 125204136 its reverse (631402521), we get a palindrome (756606657).

The spelling of 125204136 in words is "one hundred twenty-five million, two hundred four thousand, one hundred thirty-six".