125642412 has 72 divisors (see below), whose sum is σ = 367401216. Its totient is φ = 35459424.

The previous prime is 125642401. The next prime is 125642441. The reversal of 125642412 is 214246521.

125642412 is a `hidden beast` number, since 1 + 2 + 5 + 642 + 4 + 12 = 666.

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, 17913 + ... + 23919.

Almost surely, 2^125642412 is an apocalyptic number.

125642412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125642412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183700608).

125642412 is an abundant number, since it is smaller than the sum of its proper divisors (241758804).

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

125642412 is a wasteful number, since it uses less digits than its factorization.

125642412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107 (or 6102 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 125642412 is about 11209.0326076785. The cubic root of 125642412 is about 500.8550861550.

Adding to 125642412 its reverse (214246521), we get a palindrome (339888933).

The spelling of 125642412 in words is "one hundred twenty-five million, six hundred forty-two thousand, four hundred twelve".