1165274097 has 48 divisors (see below), whose sum is σ = 1751740416. Its totient is φ = 687960000.

The previous prime is 1165274087. The next prime is 1165274141. The reversal of 1165274097 is 7904725611.

It is a happy number.

It is not a de Polignac number, because 1165274097 - 2²⁰ = 1164225521 is a prime.

It is a super-2 number, since 2×1165274097² = 2715727442278330818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1165274017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2373022 + ... + 2373512.

It is an arithmetic number, because the mean of its divisors is an integer number (36494592).

Almost surely, 2^1165274097 is an apocalyptic number.

It is an amenable number.

1165274097 is a deficient number, since it is larger than the sum of its proper divisors (586466319).

1165274097 is a wasteful number, since it uses less digits than its factorization.

1165274097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 1165274097 is about 34136.1113338939. Note that the first 3 decimals coincide. The cubic root of 1165274097 is about 1052.3075770943.

The spelling of 1165274097 in words is "one billion, one hundred sixty-five million, two hundred seventy-four thousand, ninety-seven".