1012682857 has 2 divisors, whose sum is σ = 1012682858. Its totient is φ = 1012682856.

The previous prime is 1012682837. The next prime is 1012682861. The reversal of 1012682857 is 7582862101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619810816 + 392872041 = 24896^2 + 19821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012682857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012682837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506341428 + 506341429.

It is an arithmetic number, because the mean of its divisors is an integer number (506341429).

Almost surely, 2^1012682857 is an apocalyptic number.

It is an amenable number.

1012682857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012682857 is an equidigital number, since it uses as much as digits as its factorization.

1012682857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1012682857 is about 31822.6783442249. The cubic root of 1012682857 is about 1004.2098711147.

The spelling of 1012682857 in words is "one billion, twelve million, six hundred eighty-two thousand, eight hundred fifty-seven".