1144251131 has 4 divisors (see below), whose sum is σ = 1146162000. Its totient is φ = 1142340264.

The previous prime is 1144251107. The next prime is 1144251161. The reversal of 1144251131 is 1311524411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144251131 - 2⁶ = 1144251067 is a prime.

It is a super-2 number, since 2×1144251131² = 2618621301589558322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144251097 and 1144251106.

It is not an unprimeable number, because it can be changed into a prime (1144251161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954536 + ... + 955733.

It is an arithmetic number, because the mean of its divisors is an integer number (286540500).

Almost surely, 2^1144251131 is an apocalyptic number.

1144251131 is a deficient number, since it is larger than the sum of its proper divisors (1910869).

1144251131 is an equidigital number, since it uses as much as digits as its factorization.

1144251131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910868.

The product of its digits is 480, while the sum is 23.

The square root of 1144251131 is about 33826.7812686930. The cubic root of 1144251131 is about 1045.9408301660.

Adding to 1144251131 its reverse (1311524411), we get a palindrome (2455775542).

The spelling of 1144251131 in words is "one billion, one hundred forty-four million, two hundred fifty-one thousand, one hundred thirty-one".