1152660617 has 4 divisors (see below), whose sum is σ = 1202776320. Its totient is φ = 1102544916.

The previous prime is 1152660611. The next prime is 1152660629. The reversal of 1152660617 is 7160662511.

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: 7160662511 = 97 ⋅73821263.

It is a cyclic number.

It is not a de Polignac number, because 1152660617 - 2¹⁰ = 1152659593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152660611) 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, 25057817 + ... + 25057862.

It is an arithmetic number, because the mean of its divisors is an integer number (300694080).

Almost surely, 2^1152660617 is an apocalyptic number.

It is an amenable number.

1152660617 is a deficient number, since it is larger than the sum of its proper divisors (50115703).

1152660617 is an equidigital number, since it uses as much as digits as its factorization.

1152660617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50115702.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1152660617 is about 33950.8559096822. The cubic root of 1152660617 is about 1048.4969020681.

The spelling of 1152660617 in words is "one billion, one hundred fifty-two million, six hundred sixty thousand, six hundred seventeen".