1152312641 has 8 divisors (see below), whose sum is σ = 1170889440. Its totient is φ = 1133883072.

The previous prime is 1152312611. The next prime is 1152312643. The reversal of 1152312641 is 1462132511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1152312641 - 2²² = 1148118337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152312641.

It is not an unprimeable number, because it can be changed into a prime (1152312643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20975 + ... + 52388.

It is an arithmetic number, because the mean of its divisors is an integer number (146361180).

Almost surely, 2^1152312641 is an apocalyptic number.

It is an amenable number.

1152312641 is a deficient number, since it is larger than the sum of its proper divisors (18576799).

1152312641 is a wasteful number, since it uses less digits than its factorization.

1152312641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73615.

The product of its digits is 1440, while the sum is 26.

The square root of 1152312641 is about 33945.7308214155. The cubic root of 1152312641 is about 1048.3913814220.

The spelling of 1152312641 in words is "one billion, one hundred fifty-two million, three hundred twelve thousand, six hundred forty-one".