1268892027 has 32 divisors (see below), whose sum is σ = 2062670400. Its totient is φ = 766112256.

The previous prime is 1268891983. The next prime is 1268892043. The reversal of 1268892027 is 7202988621.

1268892027 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1268892027 - 2²² = 1264697723 is a prime.

It is a super-2 number, since 2×1268892027² = 3220173952368337458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268892047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15502 + ... + 52707.

It is an arithmetic number, because the mean of its divisors is an integer number (64458450).

Almost surely, 2^1268892027 is an apocalyptic number.

1268892027 is a deficient number, since it is larger than the sum of its proper divisors (793778373).

1268892027 is a wasteful number, since it uses less digits than its factorization.

1268892027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68284 (or 68278 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1268892027 is about 35621.5107343863. The cubic root of 1268892027 is about 1082.6171174356.

The spelling of 1268892027 in words is "one billion, two hundred sixty-eight million, eight hundred ninety-two thousand, twenty-seven".