1200044880 has 60 divisors (see below), whose sum is σ = 4030153140. Its totient is φ = 320011776.

The previous prime is 1200044861. The next prime is 1200044891. The reversal of 1200044880 is 884400021.

It can be written as a sum of positive squares in 2 ways, for example, as 690007824 + 510037056 = 26268^2 + 22584^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

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, 832645 + ... + 834084.

It is an arithmetic number, because the mean of its divisors is an integer number (67169219).

Almost surely, 2^1200044880 is an apocalyptic number.

1200044880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200044880 is an abundant number, since it is smaller than the sum of its proper divisors (2830108260).

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

1200044880 is a wasteful number, since it uses less digits than its factorization.

1200044880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666748 (or 1666739 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1200044880 is about 34641.6639323229. The cubic root of 1200044880 is about 1062.6718168276.

The spelling of 1200044880 in words is "one billion, two hundred million, forty-four thousand, eight hundred eighty".