1120321992 has 32 divisors (see below), whose sum is σ = 2803730400. Its totient is φ = 373050624.

The previous prime is 1120321987. The next prime is 1120322009. The reversal of 1120321992 is 2991230211.

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, 442 + ... + 47337.

It is an arithmetic number, because the mean of its divisors is an integer number (87616575).

Almost surely, 2^1120321992 is an apocalyptic number.

1120321992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120321992 is an abundant number, since it is smaller than the sum of its proper divisors (1683408408).

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

1120321992 is a wasteful number, since it uses less digits than its factorization.

1120321992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48765 (or 48761 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1120321992 is about 33471.2113912837. The cubic root of 1120321992 is about 1038.5983311656.

The spelling of 1120321992 in words is "one billion, one hundred twenty million, three hundred twenty-one thousand, nine hundred ninety-two".