1097120 has 24 divisors (see below), whose sum is σ = 2592324. Its totient is φ = 438784.

The previous prime is 1097113. The next prime is 1097141. The reversal of 1097120 is 217901.

It can be written as a sum of positive squares in 2 ways, for example, as 913936 + 183184 = 956^2 + 428^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1097092 and 1097101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269 + ... + 3588.

2^1097120 is an apocalyptic number.

1097120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097120 is an abundant number, since it is smaller than the sum of its proper divisors (1495204).

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

1097120 is an equidigital number, since it uses as much as digits as its factorization.

1097120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872 (or 6864 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1097120 is about 1047.4349621814. The cubic root of 1097120 is about 103.1378429062.

The spelling of 1097120 in words is "one million, ninety-seven thousand, one hundred twenty".