1268057051 has 2 divisors, whose sum is σ = 1268057052. Its totient is φ = 1268057050.

The previous prime is 1268057023. The next prime is 1268057069. The reversal of 1268057051 is 1507508621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268057051 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1268057071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634028525 + 634028526.

It is an arithmetic number, because the mean of its divisors is an integer number (634028526).

Almost surely, 2^1268057051 is an apocalyptic number.

1268057051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268057051 is an equidigital number, since it uses as much as digits as its factorization.

1268057051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1268057051 is about 35609.7886963683. The cubic root of 1268057051 is about 1082.3795984971.

The spelling of 1268057051 in words is "one billion, two hundred sixty-eight million, fifty-seven thousand, fifty-one".