1097365 has 16 divisors (see below), whose sum is σ = 1388016. Its totient is φ = 832000.

The previous prime is 1097359. The next prime is 1097377. The reversal of 1097365 is 5637901.

1097365 = T₉₄ + T₉₅ + ... + T₁₉₄.

It can be written as a sum of positive squares in 8 ways, for example, as 3249 + 1094116 = 57^2 + 1046^2 .

It is not a de Polignac number, because 1097365 - 2⁷ = 1097237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10815 + ... + 10915.

It is an arithmetic number, because the mean of its divisors is an integer number (86751).

2^1097365 is an apocalyptic number.

It is an amenable number.

1097365 is a deficient number, since it is larger than the sum of its proper divisors (290651).

1097365 is a wasteful number, since it uses less digits than its factorization.

1097365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1097365 is about 1047.5519080217. The cubic root of 1097365 is about 103.1455196388.

The spelling of 1097365 in words is "one million, ninety-seven thousand, three hundred sixty-five".