1296401168 has 20 divisors (see below), whose sum is σ = 2515703568. Its totient is φ = 647187360.

The previous prime is 1296401167. The next prime is 1296401173. The reversal of 1296401168 is 8611046921.

It is not an unprimeable number, because it can be changed into a prime (1296401167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52718 + ... + 73293.

Almost surely, 2^1296401168 is an apocalyptic number.

It is an amenable number.

1296401168 is a deficient number, since it is larger than the sum of its proper divisors (1219302400).

1296401168 is a wasteful number, since it uses less digits than its factorization.

1296401168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126662 (or 126656 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1296401168 is about 36005.5713466680. The cubic root of 1296401168 is about 1090.3848395621.

The spelling of 1296401168 in words is "one billion, two hundred ninety-six million, four hundred one thousand, one hundred sixty-eight".