1297079416 has 8 divisors (see below), whose sum is σ = 2432023920. Its totient is φ = 648539704.

The previous prime is 1297079393. The next prime is 1297079431. The reversal of 1297079416 is 6149707921.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1297079416² = 3364830022821802112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81067456 + ... + 81067471.

It is an arithmetic number, because the mean of its divisors is an integer number (304002990).

Almost surely, 2^1297079416 is an apocalyptic number.

It is an amenable number.

1297079416 is a deficient number, since it is larger than the sum of its proper divisors (1134944504).

1297079416 is a wasteful number, since it uses less digits than its factorization.

1297079416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162134933 (or 162134929 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 1297079416 is about 36014.9887685669. The cubic root of 1297079416 is about 1090.5749613701.

The spelling of 1297079416 in words is "one billion, two hundred ninety-seven million, seventy-nine thousand, four hundred sixteen".