1249078604 has 24 divisors (see below), whose sum is σ = 2394282240. Its totient is φ = 567531776.

The previous prime is 1249078591. The next prime is 1249078657. The reversal of 1249078604 is 4068709421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314732 + ... + 318675.

It is an arithmetic number, because the mean of its divisors is an integer number (99761760).

Almost surely, 2^1249078604 is an apocalyptic number.

It is an amenable number.

1249078604 is a deficient number, since it is larger than the sum of its proper divisors (1145203636).

1249078604 is a wasteful number, since it uses less digits than its factorization.

1249078604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633457 (or 633455 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1249078604 is about 35342.3061499954. The cubic root of 1249078604 is about 1076.9526016223.

The spelling of 1249078604 in words is "one billion, two hundred forty-nine million, seventy-eight thousand, six hundred four".