1165264 has 20 divisors (see below), whose sum is σ = 2293504. Its totient is φ = 573408.

The previous prime is 1165223. The next prime is 1165273. The reversal of 1165264 is 4625611.

1165264 = T₁₅₂ + T₁₅₃ + ... + T₂₁₈.

It is a congruent number.

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, 529 + ... + 1615.

2^1165264 is an apocalyptic number.

It is an amenable number.

1165264 is a deficient number, since it is larger than the sum of its proper divisors (1128240).

1165264 is a wasteful number, since it uses less digits than its factorization.

1165264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1156 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1165264 is about 1079.4739459570. The cubic root of 1165264 is about 105.2304537701.

The spelling of 1165264 in words is "one million, one hundred sixty-five thousand, two hundred sixty-four".