1200451080 has 32 divisors (see below), whose sum is σ = 3601353600. Its totient is φ = 320120256.

The previous prime is 1200451067. The next prime is 1200451169. The reversal of 1200451080 is 801540021.

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, 5001760 + ... + 5001999.

It is an arithmetic number, because the mean of its divisors is an integer number (112542300).

Almost surely, 2^1200451080 is an apocalyptic number.

1200451080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200451080 is an abundant number, since it is smaller than the sum of its proper divisors (2400902520).

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

1200451080 is a wasteful number, since it uses less digits than its factorization.

1200451080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003773 (or 10003769 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1200451080 is about 34647.5263186277. The cubic root of 1200451080 is about 1062.7917036210.

The spelling of 1200451080 in words is "one billion, two hundred million, four hundred fifty-one thousand, eighty".