1121770800 has 90 divisors (see below), whose sum is σ = 3892868772. Its totient is φ = 299137920.

The previous prime is 1121770781. The next prime is 1121770801. The reversal of 1121770800 is 80771211.

It is a tau number, because it is divible by the number of its divisors (90).

It is not an unprimeable number, because it can be changed into a prime (1121770801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 152202 + ... + 159401.

Almost surely, 2^1121770800 is an apocalyptic number.

1121770800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121770800 is an abundant number, since it is smaller than the sum of its proper divisors (2771097972).

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

1121770800 is a wasteful number, since it uses less digits than its factorization.

1121770800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311627 (or 311613 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 1121770800 is about 33492.8469975307. The cubic root of 1121770800 is about 1039.0458457805.

The spelling of 1121770800 in words is "one billion, one hundred twenty-one million, seven hundred seventy thousand, eight hundred".