1131454244 has 24 divisors (see below), whose sum is σ = 2164151808. Its totient is φ = 515272320.

The previous prime is 1131454243. The next prime is 1131454253. The reversal of 1131454244 is 4424541311.

It is a super-2 number, since 2×1131454244² = 2560377412531223072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131454243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266264 + ... + 270479.

It is an arithmetic number, because the mean of its divisors is an integer number (90172992).

Almost surely, 2^1131454244 is an apocalyptic number.

It is an amenable number.

1131454244 is a deficient number, since it is larger than the sum of its proper divisors (1032697564).

1131454244 is a wasteful number, since it uses less digits than its factorization.

1131454244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536795 (or 536793 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1131454244 is about 33637.0962480414. The cubic root of 1131454244 is about 1042.0270634964.

Adding to 1131454244 its reverse (4424541311), we get a palindrome (5555995555).

The spelling of 1131454244 in words is "one billion, one hundred thirty-one million, four hundred fifty-four thousand, two hundred forty-four".