1165072 has 10 divisors (see below), whose sum is σ = 2257358. Its totient is φ = 582528.

The previous prime is 1165069. The next prime is 1165079. The reversal of 1165072 is 2705611.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 173056 = 996^2 + 416^2 .

It is not an unprimeable number, because it can be changed into a prime (1165079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36393 + ... + 36424.

2^1165072 is an apocalyptic number.

It is an amenable number.

1165072 is a deficient number, since it is larger than the sum of its proper divisors (1092286).

1165072 is an equidigital number, since it uses as much as digits as its factorization.

1165072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72825 (or 72819 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1165072 is about 1079.3850100868. The cubic root of 1165072 is about 105.2246738618.

The spelling of 1165072 in words is "one million, one hundred sixty-five thousand, seventy-two".