1161749452 has 12 divisors (see below), whose sum is σ = 2140064920. Its totient is φ = 550302336.

The previous prime is 1161749443. The next prime is 1161749467. The reversal of 1161749452 is 2549471611.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7643013 + ... + 7643164.

Almost surely, 2^1161749452 is an apocalyptic number.

It is an amenable number.

1161749452 is a deficient number, since it is larger than the sum of its proper divisors (978315468).

1161749452 is a wasteful number, since it uses less digits than its factorization.

1161749452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15286200 (or 15286198 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 1161749452 is about 34084.4458954521. The cubic root of 1161749452 is about 1051.2455218127.

The spelling of 1161749452 in words is "one billion, one hundred sixty-one million, seven hundred forty-nine thousand, four hundred fifty-two".