1272630596 has 6 divisors (see below), whose sum is σ = 2227103550. Its totient is φ = 636315296.

The previous prime is 1272630581. The next prime is 1272630637. The reversal of 1272630596 is 6950362721.

It can be written as a sum of positive squares in only one way, i.e., 869424196 + 403206400 = 29486^2 + 20080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159078821 + ... + 159078828.

It is an arithmetic number, because the mean of its divisors is an integer number (371183925).

Almost surely, 2^1272630596 is an apocalyptic number.

It is an amenable number.

1272630596 is a deficient number, since it is larger than the sum of its proper divisors (954472954).

1272630596 is a wasteful number, since it uses less digits than its factorization.

1272630596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318157653 (or 318157651 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1272630596 is about 35673.9484217825. The cubic root of 1272630596 is about 1083.6793224086.

The spelling of 1272630596 in words is "one billion, two hundred seventy-two million, six hundred thirty thousand, five hundred ninety-six".