1225971596 has 12 divisors (see below), whose sum is σ = 2148931848. Its totient is φ = 611991072.

The previous prime is 1225971589. The next prime is 1225971613. The reversal of 1225971596 is 6951795221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225971596.

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, 245906 + ... + 250841.

It is an arithmetic number, because the mean of its divisors is an integer number (179077654).

Almost surely, 2^1225971596 is an apocalyptic number.

It is an amenable number.

1225971596 is a deficient number, since it is larger than the sum of its proper divisors (922960252).

1225971596 is a wasteful number, since it uses less digits than its factorization.

1225971596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497368 (or 497366 counting only the distinct ones).

The product of its digits is 340200, while the sum is 47.

The square root of 1225971596 is about 35013.8771917650. The cubic root of 1225971596 is about 1070.2702889539.

The spelling of 1225971596 in words is "one billion, two hundred twenty-five million, nine hundred seventy-one thousand, five hundred ninety-six".