1152641 has 4 divisors (see below), whose sum is σ = 1317312. Its totient is φ = 987972.

The previous prime is 1152637. The next prime is 1152643. The reversal of 1152641 is 1462511.

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: 1462511 = 41 ⋅35671.

It is a cyclic number.

It is not a de Polignac number, because 1152641 - 2² = 1152637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152643) 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, 82325 + ... + 82338.

It is an arithmetic number, because the mean of its divisors is an integer number (329328).

2^1152641 is an apocalyptic number.

It is an amenable number.

1152641 is a deficient number, since it is larger than the sum of its proper divisors (164671).

1152641 is an equidigital number, since it uses as much as digits as its factorization.

1152641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164670.

The product of its digits is 240, while the sum is 20.

The square root of 1152641 is about 1073.6111959178. The cubic root of 1152641 is about 104.8490953951.

The spelling of 1152641 in words is "one million, one hundred fifty-two thousand, six hundred forty-one".