1131253 has 2 divisors, whose sum is σ = 1131254. Its totient is φ = 1131252.

The previous prime is 1131239. The next prime is 1131259. The reversal of 1131253 is 3521311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 315844 = 903^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131253 - 2⁹ = 1130741 is a prime.

1131253 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565626 + 565627.

It is an arithmetic number, because the mean of its divisors is an integer number (565627).

2^1131253 is an apocalyptic number.

It is an amenable number.

1131253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131253 is an equidigital number, since it uses as much as digits as its factorization.

1131253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 16.

The square root of 1131253 is about 1063.6037796097. The cubic root of 1131253 is about 104.1965280433.

Adding to 1131253 its reverse (3521311), we get a palindrome (4652564).

The spelling of 1131253 in words is "one million, one hundred thirty-one thousand, two hundred fifty-three".