1151253 has 20 divisors (see below), whose sum is σ = 1755468. Its totient is φ = 751680.

The previous prime is 1151251. The next prime is 1151287. The reversal of 1151253 is 3521511.

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 1034289 = 342^2 + 1017^2 .

It is not a de Polignac number, because 1151253 - 2¹ = 1151251 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4825 + ... + 5057.

2^1151253 is an apocalyptic number.

It is an amenable number.

1151253 is a deficient number, since it is larger than the sum of its proper divisors (604215).

1151253 is an equidigital number, since it uses as much as digits as its factorization.

1151253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 297 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1151253 is about 1072.9645846905. The cubic root of 1151253 is about 104.8069923757.

Adding to 1151253 its product of digits (150), we get a triangular number (1151403 = T₁₅₁₇).

Adding to 1151253 its reverse (3521511), we get a palindrome (4672764).

The spelling of 1151253 in words is "one million, one hundred fifty-one thousand, two hundred fifty-three".