1152521 has 4 divisors (see below), whose sum is σ = 1213200. Its totient is φ = 1091844.

The previous prime is 1152517. The next prime is 1152523. The reversal of 1152521 is 1252511.

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 1152521 - 2² = 1152517 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 1152521.

It is not an unprimeable number, because it can be changed into a prime (1152523) 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, 30311 + ... + 30348.

It is an arithmetic number, because the mean of its divisors is an integer number (303300).

2^1152521 is an apocalyptic number.

It is an amenable number.

1152521 is a deficient number, since it is larger than the sum of its proper divisors (60679).

1152521 is an equidigital number, since it uses as much as digits as its factorization.

1152521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60678.

The product of its digits is 100, while the sum is 17.

The square root of 1152521 is about 1073.5553083097. Note that the first 3 decimals coincide. The cubic root of 1152521 is about 104.8454566998.

The spelling of 1152521 in words is "one million, one hundred fifty-two thousand, five hundred twenty-one".