1204309252 has 12 divisors (see below), whose sum is σ = 2126192796. Its totient is φ = 596825600.

The previous prime is 1204309231. The next prime is 1204309261. The reversal of 1204309252 is 2529034021.

It can be written as a sum of positive squares in 2 ways, for example, as 371178756 + 833130496 = 19266^2 + 28864^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1204309252.

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, 1331749 + ... + 1332652.

It is an arithmetic number, because the mean of its divisors is an integer number (177182733).

Almost surely, 2^1204309252 is an apocalyptic number.

It is an amenable number.

1204309252 is a deficient number, since it is larger than the sum of its proper divisors (921883544).

1204309252 is a wasteful number, since it uses less digits than its factorization.

1204309252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664518 (or 2664516 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1204309252 is about 34703.1591069171. The cubic root of 1204309252 is about 1063.9290672463.

The spelling of 1204309252 in words is "one billion, two hundred four million, three hundred nine thousand, two hundred fifty-two".