1200490800 has 60 divisors (see below), whose sum is σ = 3845576040. Its totient is φ = 320130560.

The previous prime is 1200490799. The next prime is 1200490807. The reversal of 1200490800 is 80940021.

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

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1200490807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499005 + ... + 501404.

It is an arithmetic number, because the mean of its divisors is an integer number (64092934).

Almost surely, 2^1200490800 is an apocalyptic number.

1200490800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200490800 is an abundant number, since it is smaller than the sum of its proper divisors (2645085240).

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

1200490800 is a wasteful number, since it uses less digits than its factorization.

1200490800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000430 (or 1000419 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1200490800 is about 34648.0995149806. The cubic root of 1200490800 is about 1062.8034252206.

The spelling of 1200490800 in words is "one billion, two hundred million, four hundred ninety thousand, eight hundred".