381125968 has 20 divisors (see below), whose sum is σ = 752365908. Its totient is φ = 186967040.

The previous prime is 381125933. The next prime is 381125977. The reversal of 381125968 is 869521183.

It can be written as a sum of positive squares in 2 ways, for example, as 138015504 + 243110464 = 11748^2 + 15592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223873 + ... + 225568.

Almost surely, 2^381125968 is an apocalyptic number.

It is an amenable number.

381125968 is a deficient number, since it is larger than the sum of its proper divisors (371239940).

381125968 is a wasteful number, since it uses less digits than its factorization.

381125968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449502 (or 449496 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 381125968 is about 19522.4477973434. The cubic root of 381125968 is about 725.0303391188.

The spelling of 381125968 in words is "three hundred eighty-one million, one hundred twenty-five thousand, nine hundred sixty-eight".