1097162280 has 64 divisors (see below), whose sum is σ = 3657211200. Its totient is φ = 292576320.

The previous prime is 1097162279. The next prime is 1097162299. The reversal of 1097162280 is 822617901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506866 + ... + 509025.

It is an arithmetic number, because the mean of its divisors is an integer number (57143925).

Almost surely, 2^1097162280 is an apocalyptic number.

1097162280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097162280 is an abundant number, since it is smaller than the sum of its proper divisors (2560048920).

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

1097162280 is a wasteful number, since it uses less digits than its factorization.

1097162280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015911 (or 1015901 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1097162280 is about 33123.4400387399. The cubic root of 1097162280 is about 1031.3916777249.

The spelling of 1097162280 in words is "one billion, ninety-seven million, one hundred sixty-two thousand, two hundred eighty".