1296769084 has 24 divisors (see below), whose sum is σ = 2454892160. Its totient is φ = 595819584.

The previous prime is 1296769079. The next prime is 1296769087. The reversal of 1296769084 is 4809676921.

It is a happy number.

It is a super-2 number, since 2×1296769084² = 3363220114436398112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296769087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44319 + ... + 67510.

Almost surely, 2^1296769084 is an apocalyptic number.

It is an amenable number.

1296769084 is a deficient number, since it is larger than the sum of its proper divisors (1158123076).

1296769084 is a wasteful number, since it uses less digits than its factorization.

1296769084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112069 (or 112067 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1296769084 is about 36010.6801379813. The cubic root of 1296769084 is about 1090.4879794682.

The spelling of 1296769084 in words is "one billion, two hundred ninety-six million, seven hundred sixty-nine thousand, eighty-four".