1232000857 has 2 divisors, whose sum is σ = 1232000858. Its totient is φ = 1232000856.

The previous prime is 1232000839. The next prime is 1232000899. The reversal of 1232000857 is 7580002321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 999255321 + 232745536 = 31611^2 + 15256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232000857 is a prime.

It is a super-2 number, since 2×1232000857² = 3035652223297468898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1232000827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616000428 + 616000429.

It is an arithmetic number, because the mean of its divisors is an integer number (616000429).

Almost surely, 2^1232000857 is an apocalyptic number.

It is an amenable number.

1232000857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232000857 is an equidigital number, since it uses as much as digits as its factorization.

1232000857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1232000857 is about 35099.8697575931. The cubic root of 1232000857 is about 1072.0219307651.

The spelling of 1232000857 in words is "one billion, two hundred thirty-two million, eight hundred fifty-seven", and thus it is an aban number.