1161249 has 4 divisors (see below), whose sum is σ = 1548336. Its totient is φ = 774164.

The previous prime is 1161241. The next prime is 1161263. The reversal of 1161249 is 9421611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1161249 - 2³ = 1161241 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1161241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193539 + ... + 193544.

It is an arithmetic number, because the mean of its divisors is an integer number (387084).

2^1161249 is an apocalyptic number.

It is an amenable number.

1161249 is a deficient number, since it is larger than the sum of its proper divisors (387087).

1161249 is an equidigital number, since it uses as much as digits as its factorization.

1161249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387086.

The product of its digits is 432, while the sum is 24.

The square root of 1161249 is about 1077.6126391241. The cubic root of 1161249 is about 105.1094550223.

The spelling of 1161249 in words is "one million, one hundred sixty-one thousand, two hundred forty-nine".