1156257004 has 12 divisors (see below), whose sum is σ = 2312514064. Its totient is φ = 495538704.

The previous prime is 1156256977. The next prime is 1156257049. The reversal of 1156257004 is 4007526511.

1156257004 is an admirable 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, 20647419 + ... + 20647474.

Almost surely, 2^1156257004 is an apocalyptic number.

1156257004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1156257004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1156257004 is a wasteful number, since it uses less digits than its factorization.

1156257004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41294904 (or 41294902 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1156257004 is about 34003.7792605469. The cubic root of 1156257004 is about 1049.5862327378.

The spelling of 1156257004 in words is "one billion, one hundred fifty-six million, two hundred fifty-seven thousand, four".