1158253 has 4 divisors (see below), whose sum is σ = 1195648. Its totient is φ = 1120860.

The previous prime is 1158251. The next prime is 1158263. The reversal of 1158253 is 3528511.

It is a happy number.

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: 3528511 = 7 ⋅504073.

It is a cyclic number.

It is not a de Polignac number, because 1158253 - 2¹ = 1158251 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 (1158251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18651 + ... + 18712.

It is an arithmetic number, because the mean of its divisors is an integer number (298912).

2^1158253 is an apocalyptic number.

It is an amenable number.

1158253 is a deficient number, since it is larger than the sum of its proper divisors (37395).

1158253 is an equidigital number, since it uses as much as digits as its factorization.

1158253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37394.

The product of its digits is 1200, while the sum is 25.

The square root of 1158253 is about 1076.2216314496. The cubic root of 1158253 is about 105.0189837180.

The spelling of 1158253 in words is "one million, one hundred fifty-eight thousand, two hundred fifty-three".