1165241 has 16 divisors (see below), whose sum is σ = 1495680. Its totient is φ = 881280.

The previous prime is 1165223. The next prime is 1165273. The reversal of 1165241 is 1425611.

1165241 = 99² + 100² + ... + 164².

It is a cyclic number.

It is not a de Polignac number, because 1165241 - 2¹⁰ = 1164217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2645 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (93480).

2^1165241 is an apocalyptic number.

1165241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1165241 is a deficient number, since it is larger than the sum of its proper divisors (330439).

1165241 is a wasteful number, since it uses less digits than its factorization.

1165241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its digits is 240, while the sum is 20.

The square root of 1165241 is about 1079.4632925672. The cubic root of 1165241 is about 105.2297614187.

The spelling of 1165241 in words is "one million, one hundred sixty-five thousand, two hundred forty-one".