125376642 has 12 divisors (see below), whose sum is σ = 271649430. Its totient is φ = 41792208.

The previous prime is 125376637. The next prime is 125376661. The reversal of 125376642 is 246673521.

125376642 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 7 + 6 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 118135161 + 7241481 = 10869^2 + 2691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125376597 and 125376606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3482667 + ... + 3482702.

Almost surely, 2^125376642 is an apocalyptic number.

125376642 is an abundant number, since it is smaller than the sum of its proper divisors (146272788).

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

125376642 is a wasteful number, since it uses less digits than its factorization.

125376642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965377 (or 6965374 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 125376642 is about 11197.1711606102. The cubic root of 125376642 is about 500.5016857877.

The spelling of 125376642 in words is "one hundred twenty-five million, three hundred seventy-six thousand, six hundred forty-two".