1152700661 has 4 divisors (see below), whose sum is σ = 1317372192. Its totient is φ = 988029132.

The previous prime is 1152700649. The next prime is 1152700667. The reversal of 1152700661 is 1660072511.

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.

It is a cyclic number.

It is not a de Polignac number, because 1152700661 - 2¹⁴ = 1152684277 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 (1152700667) 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, 82335755 + ... + 82335768.

It is an arithmetic number, because the mean of its divisors is an integer number (329343048).

Almost surely, 2^1152700661 is an apocalyptic number.

It is an amenable number.

1152700661 is a deficient number, since it is larger than the sum of its proper divisors (164671531).

1152700661 is an equidigital number, since it uses as much as digits as its factorization.

1152700661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164671530.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1152700661 is about 33951.4456393244. The cubic root of 1152700661 is about 1048.5090436945.

The spelling of 1152700661 in words is "one billion, one hundred fifty-two million, seven hundred thousand, six hundred sixty-one".