1144131 has 4 divisors (see below), whose sum is σ = 1525512. Its totient is φ = 762752.

The previous prime is 1144103. The next prime is 1144139. The reversal of 1144131 is 1314411.

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 1144131 - 2⁹ = 1143619 is a prime.

It is a super-2 number, since 2×1144131² = 2618071490322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144131.

It is not an unprimeable number, because it can be changed into a prime (1144139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190686 + ... + 190691.

It is an arithmetic number, because the mean of its divisors is an integer number (381378).

2^1144131 is an apocalyptic number.

1144131 is the 677-th centered pentagonal number.

1144131 is a deficient number, since it is larger than the sum of its proper divisors (381381).

1144131 is an equidigital number, since it uses as much as digits as its factorization.

1144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381380.

The product of its digits is 48, while the sum is 15.

The square root of 1144131 is about 1069.6405938445. The cubic root of 1144131 is about 104.5904225639.

Adding to 1144131 its reverse (1314411), we get a palindrome (2458542).

It can be divided in two parts, 1144 and 131, that added together give a triangular number (1275 = T₅₀).

The spelling of 1144131 in words is "one million, one hundred forty-four thousand, one hundred thirty-one".