125787474 has 12 divisors (see below), whose sum is σ = 272539566. Its totient is φ = 41929152.

The previous prime is 125787461. The next prime is 125787479. The reversal of 125787474 is 474787521.

125787474 is a `hidden beast` number, since 1 + 2 + 578 + 7 + 4 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 43758225 = 9057^2 + 6615^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125787479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3494079 + ... + 3494114.

Almost surely, 2^125787474 is an apocalyptic number.

125787474 is an abundant number, since it is smaller than the sum of its proper divisors (146752092).

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

125787474 is a wasteful number, since it uses less digits than its factorization.

125787474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988201 (or 6988198 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 125787474 is about 11215.5015046140. The cubic root of 125787474 is about 501.0477681634.

The spelling of 125787474 in words is "one hundred twenty-five million, seven hundred eighty-seven thousand, four hundred seventy-four".