1272390096 has 20 divisors (see below), whose sum is σ = 3287007872. Its totient is φ = 424130016.

The previous prime is 1272390089. The next prime is 1272390113. The reversal of 1272390096 is 6900932721.

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, 13254016 + ... + 13254111.

Almost surely, 2^1272390096 is an apocalyptic number.

1272390096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1272390096 is an abundant number, since it is smaller than the sum of its proper divisors (2014617776).

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

1272390096 is a wasteful number, since it uses less digits than its factorization.

1272390096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26508138 (or 26508132 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 1272390096 is about 35670.5774553763. The cubic root of 1272390096 is about 1083.6110540263.

The spelling of 1272390096 in words is "one billion, two hundred seventy-two million, three hundred ninety thousand, ninety-six".