1268057027 has 4 divisors (see below), whose sum is σ = 1278041856. Its totient is φ = 1258072200.

The previous prime is 1268057023. The next prime is 1268057051. The reversal of 1268057027 is 7207508621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1268057027 - 2² = 1268057023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268057023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4992224 + ... + 4992477.

It is an arithmetic number, because the mean of its divisors is an integer number (319510464).

Almost surely, 2^1268057027 is an apocalyptic number.

1268057027 is a deficient number, since it is larger than the sum of its proper divisors (9984829).

1268057027 is an equidigital number, since it uses as much as digits as its factorization.

1268057027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984828.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 1268057027 is about 35609.7883593823. The cubic root of 1268057027 is about 1082.3795916685.

The spelling of 1268057027 in words is "one billion, two hundred sixty-eight million, fifty-seven thousand, twenty-seven".