1150765949 has 4 divisors (see below), whose sum is σ = 1150884864. Its totient is φ = 1150647036.

The previous prime is 1150765943. The next prime is 1150765981. The reversal of 1150765949 is 9495670511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9495670511 = 8233 ⋅1153367.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150765949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150765943) by changing a digit.

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, 43517 + ... + 64770.

It is an arithmetic number, because the mean of its divisors is an integer number (287721216).

Almost surely, 2^1150765949 is an apocalyptic number.

It is an amenable number.

1150765949 is a deficient number, since it is larger than the sum of its proper divisors (118915).

1150765949 is a wasteful number, since it uses less digits than its factorization.

1150765949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118914.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 1150765949 is about 33922.9413376847. The cubic root of 1150765949 is about 1047.9221035108.

The spelling of 1150765949 in words is "one billion, one hundred fifty million, seven hundred sixty-five thousand, nine hundred forty-nine".