1152665 has 8 divisors (see below), whose sum is σ = 1389960. Its totient is φ = 917632.

The previous prime is 1152653. The next prime is 1152667. The reversal of 1152665 is 5662511.

It can be written as a sum of positive squares in 4 ways, for example, as 110224 + 1042441 = 332^2 + 1021^2 .

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 1152665 - 2⁴ = 1152649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152667) 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, 917 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (173745).

2^1152665 is an apocalyptic number.

It is an amenable number.

1152665 is a deficient number, since it is larger than the sum of its proper divisors (237295).

1152665 is an equidigital number, since it uses as much as digits as its factorization.

1152665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 1800, while the sum is 26.

The square root of 1152665 is about 1073.6223730903. The cubic root of 1152665 is about 104.8498231039.

The spelling of 1152665 in words is "one million, one hundred fifty-two thousand, six hundred sixty-five".