1297076669 has 16 divisors (see below), whose sum is σ = 1493860992. Its totient is φ = 1103191488.

The previous prime is 1297076663. The next prime is 1297076689. The reversal of 1297076669 is 9666707921.

It is not a de Polignac number, because 1297076669 - 2⁴ = 1297076653 is a prime.

It is a super-2 number, since 2×1297076669² = 3364815770528271122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297076669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297076663) 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, 1068707 + ... + 1069919.

It is an arithmetic number, because the mean of its divisors is an integer number (93366312).

Almost surely, 2^1297076669 is an apocalyptic number.

It is an amenable number.

1297076669 is a deficient number, since it is larger than the sum of its proper divisors (196784323).

1297076669 is a wasteful number, since it uses less digits than its factorization.

1297076669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 1297076669 is about 36014.9506316474. The cubic root of 1297076669 is about 1090.5741914837.

The spelling of 1297076669 in words is "one billion, two hundred ninety-seven million, seventy-six thousand, six hundred sixty-nine".