1155253 has 4 divisors (see below), whose sum is σ = 1260288. Its totient is φ = 1050220.

The previous prime is 1155247. The next prime is 1155263. The reversal of 1155253 is 3525511.

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 a de Polignac number, because none of the positive numbers 2^k-1155253 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 (1155223) 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, 52501 + ... + 52522.

It is an arithmetic number, because the mean of its divisors is an integer number (315072).

2^1155253 is an apocalyptic number.

It is an amenable number.

1155253 is a deficient number, since it is larger than the sum of its proper divisors (105035).

1155253 is a wasteful number, since it uses less digits than its factorization.

1155253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105034.

The product of its digits is 750, while the sum is 22.

The square root of 1155253 is about 1074.8269628177. The cubic root of 1155253 is about 104.9282351643.

The spelling of 1155253 in words is "one million, one hundred fifty-five thousand, two hundred fifty-three".