1204678916 has 36 divisors (see below), whose sum is σ = 2456124300. Its totient is φ = 515503296.

The previous prime is 1204678897. The next prime is 1204678999. The reversal of 1204678916 is 6198764021.

It can be written as a sum of positive squares in 2 ways, for example, as 331240000 + 873438916 = 18200^2 + 29554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134630 + ... + 143298.

It is an arithmetic number, because the mean of its divisors is an integer number (68225675).

Almost surely, 2^1204678916 is an apocalyptic number.

It is an amenable number.

1204678916 is an abundant number, since it is smaller than the sum of its proper divisors (1251445384).

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

1204678916 is a wasteful number, since it uses less digits than its factorization.

1204678916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396 (or 9387 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1204678916 is about 34708.4847839833. The cubic root of 1204678916 is about 1064.0379141614.

The spelling of 1204678916 in words is "one billion, two hundred four million, six hundred seventy-eight thousand, nine hundred sixteen".