1204972880 has 30 divisors (see below), whose sum is σ = 2802283998. Its totient is φ = 481864960.

The previous prime is 1204972849. The next prime is 1204972889. The reversal of 1204972880 is 882794021.

It can be written as a sum of positive squares in 3 ways, for example, as 231283264 + 973689616 = 15208^2 + 31204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204972889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308540 + ... + 312420.

Almost surely, 2^1204972880 is an apocalyptic number.

1204972880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204972880 is an abundant number, since it is smaller than the sum of its proper divisors (1597311118).

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

1204972880 is an frugal number, since it uses more digits than its factorization.

1204972880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1204972880 is about 34712.7192827067. The cubic root of 1204972880 is about 1064.1244554516.

The spelling of 1204972880 in words is "one billion, two hundred four million, nine hundred seventy-two thousand, eight hundred eighty".