1144012131 has 12 divisors (see below), whose sum is σ = 1652773200. Its totient is φ = 762531120.

The previous prime is 1144012109. The next prime is 1144012159. The reversal of 1144012131 is 1312104411.

1144012131 is a `hidden beast` number, since 11 + 440 + 1 + 213 + 1 = 666.

It is not a de Polignac number, because 1144012131 - 2⁹ = 1144011619 is a prime.

It is a super-2 number, since 2×1144012131² = 2617527511750322322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144012171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63546 + ... + 79536.

It is an arithmetic number, because the mean of its divisors is an integer number (137731100).

Almost surely, 2^1144012131 is an apocalyptic number.

1144012131 is a deficient number, since it is larger than the sum of its proper divisors (508761069).

1144012131 is a wasteful number, since it uses less digits than its factorization.

1144012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23946 (or 23943 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1144012131 is about 33823.2483803670. The cubic root of 1144012131 is about 1045.8680031271.

Adding to 1144012131 its reverse (1312104411), we get a palindrome (2456116542).

The spelling of 1144012131 in words is "one billion, one hundred forty-four million, twelve thousand, one hundred thirty-one".