1101997320 has 32 divisors (see below), whose sum is σ = 3305992320. Its totient is φ = 293865920.

The previous prime is 1101997291. The next prime is 1101997333. The reversal of 1101997320 is 237991011.

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, 4591536 + ... + 4591775.

It is an arithmetic number, because the mean of its divisors is an integer number (103312260).

Almost surely, 2^1101997320 is an apocalyptic number.

1101997320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101997320 is an abundant number, since it is smaller than the sum of its proper divisors (2203995000).

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

1101997320 is a wasteful number, since it uses less digits than its factorization.

1101997320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183325 (or 9183321 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1101997320 is about 33196.3449795305. The cubic root of 1101997320 is about 1032.9045236624.

The spelling of 1101997320 in words is "one billion, one hundred one million, nine hundred ninety-seven thousand, three hundred twenty".