125118136 has 96 divisors (see below), whose sum is σ = 284601600. Its totient is φ = 51093120.

The previous prime is 125118121. The next prime is 125118163. The reversal of 125118136 is 631811521.

It is a super-2 number, since 2×125118136² = 31309095912228992, which contains 22 as substring.

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, 698895 + ... + 699073.

It is an arithmetic number, because the mean of its divisors is an integer number (2964600).

Almost surely, 2^125118136 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 125118136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142300800).

125118136 is an abundant number, since it is smaller than the sum of its proper divisors (159483464).

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

125118136 is a wasteful number, since it uses less digits than its factorization.

125118136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 252 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 125118136 is about 11185.6218423474. The cubic root of 125118136 is about 500.1574650710.

Adding to 125118136 its reverse (631811521), we get a palindrome (756929657).

The spelling of 125118136 in words is "one hundred twenty-five million, one hundred eighteen thousand, one hundred thirty-six".