1144004131 has 4 divisors (see below), whose sum is σ = 1156858200. Its totient is φ = 1131150064.

The previous prime is 1144004123. The next prime is 1144004149. The reversal of 1144004131 is 1314004411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1314004411 = 15889 ⋅82699.

It is a cyclic number.

It is not a de Polignac number, because 1144004131 - 2³ = 1144004123 is a prime.

It is a super-2 number, since 2×1144004131² = 2617490903490130322, 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 = 1144004099 and 1144004108.

It is not an unprimeable number, because it can be changed into a prime (1144004161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426901 + ... + 6427078.

It is an arithmetic number, because the mean of its divisors is an integer number (289214550).

Almost surely, 2^1144004131 is an apocalyptic number.

1144004131 is a deficient number, since it is larger than the sum of its proper divisors (12854069).

1144004131 is an equidigital number, since it uses as much as digits as its factorization.

1144004131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854068.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1144004131 is about 33823.1301183081. The cubic root of 1144004131 is about 1045.8655652266.

Adding to 1144004131 its reverse (1314004411), we get a palindrome (2458008542).

The spelling of 1144004131 in words is "one billion, one hundred forty-four million, four thousand, one hundred thirty-one".