1297104879 has 16 divisors (see below), whose sum is σ = 2092808448. Its totient is φ = 697602432.

The previous prime is 1297104877. The next prime is 1297104899. The reversal of 1297104879 is 9784017921.

It is not a de Polignac number, because 1297104879 - 2¹ = 1297104877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297104877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1816317 + ... + 1817030.

It is an arithmetic number, because the mean of its divisors is an integer number (130800528).

Almost surely, 2^1297104879 is an apocalyptic number.

1297104879 is a deficient number, since it is larger than the sum of its proper divisors (795703569).

1297104879 is a wasteful number, since it uses less digits than its factorization.

1297104879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633374.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 1297104879 is about 36015.3422724261. The cubic root of 1297104879 is about 1090.5820976919.

The spelling of 1297104879 in words is "one billion, two hundred ninety-seven million, one hundred four thousand, eight hundred seventy-nine".