1249089412 has 12 divisors (see below), whose sum is σ = 2300954320. Its totient is φ = 591673896.

The previous prime is 1249089403. The next prime is 1249089449. The reversal of 1249089412 is 2149809421.

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, 8217618 + ... + 8217769.

Almost surely, 2^1249089412 is an apocalyptic number.

It is an amenable number.

1249089412 is a deficient number, since it is larger than the sum of its proper divisors (1051864908).

1249089412 is a wasteful number, since it uses less digits than its factorization.

1249089412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435410 (or 16435408 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1249089412 is about 35342.4590542311. The cubic root of 1249089412 is about 1076.9557078239.

The spelling of 1249089412 in words is "one billion, two hundred forty-nine million, eighty-nine thousand, four hundred twelve".