1165252772 has 12 divisors (see below), whose sum is σ = 2127853056. Its totient is φ = 557294760.

The previous prime is 1165252733. The next prime is 1165252789. The reversal of 1165252772 is 2772525611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6332804 + ... + 6332987.

It is an arithmetic number, because the mean of its divisors is an integer number (177321088).

Almost surely, 2^1165252772 is an apocalyptic number.

It is an amenable number.

1165252772 is a deficient number, since it is larger than the sum of its proper divisors (962600284).

1165252772 is a wasteful number, since it uses less digits than its factorization.

1165252772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12665818 (or 12665816 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 1165252772 is about 34135.7989799565. The cubic root of 1165252772 is about 1052.3011578332.

The spelling of 1165252772 in words is "one billion, one hundred sixty-five million, two hundred fifty-two thousand, seven hundred seventy-two".