1296761116 has 12 divisors (see below), whose sum is σ = 2593522288. Its totient is φ = 555754752.

The previous prime is 1296761107. The next prime is 1296761131. The reversal of 1296761116 is 6111676921.

1296761116 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23156421 + ... + 23156476.

Almost surely, 2^1296761116 is an apocalyptic number.

It is an amenable number.

1296761116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1296761116 is a wasteful number, since it uses less digits than its factorization.

1296761116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46312908 (or 46312906 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 1296761116 is about 36010.5695039665. The cubic root of 1296761116 is about 1090.4857459618.

The spelling of 1296761116 in words is "one billion, two hundred ninety-six million, seven hundred sixty-one thousand, one hundred sixteen".