1238370057 has 24 divisors (see below), whose sum is σ = 1868268480. Its totient is φ = 789639840.

The previous prime is 1238370047. The next prime is 1238370059. The reversal of 1238370057 is 7500738321.

1238370057 is a `hidden beast` number, since 1 + 238 + 370 + 0 + 57 = 666.

It is not a de Polignac number, because 1238370057 - 2⁸ = 1238369801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1238370059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11869 + ... + 51162.

It is an arithmetic number, because the mean of its divisors is an integer number (77844520).

Almost surely, 2^1238370057 is an apocalyptic number.

It is an amenable number.

1238370057 is a deficient number, since it is larger than the sum of its proper divisors (629898423).

1238370057 is a wasteful number, since it uses less digits than its factorization.

1238370057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63133 (or 63130 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1238370057 is about 35190.4824775109. The cubic root of 1238370057 is about 1073.8661365779.

The spelling of 1238370057 in words is "one billion, two hundred thirty-eight million, three hundred seventy thousand, fifty-seven".