1131032245 has 16 divisors (see below), whose sum is σ = 1618571520. Its totient is φ = 741844224.

The previous prime is 1131032237. The next prime is 1131032251. The reversal of 1131032245 is 5422301311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131032245 - 2³ = 1131032237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701700 + ... + 703309.

It is an arithmetic number, because the mean of its divisors is an integer number (101160720).

Almost surely, 2^1131032245 is an apocalyptic number.

It is an amenable number.

1131032245 is a deficient number, since it is larger than the sum of its proper divisors (487539275).

1131032245 is a wasteful number, since it uses less digits than its factorization.

1131032245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405044.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1131032245 is about 33630.8228415541. The cubic root of 1131032245 is about 1041.8974989525.

Adding to 1131032245 its reverse (5422301311), we get a palindrome (6553333556).

The spelling of 1131032245 in words is "one billion, one hundred thirty-one million, thirty-two thousand, two hundred forty-five".