1144531 has 6 divisors (see below), whose sum is σ = 1173660. Its totient is φ = 1116108.

The previous prime is 1144529. The next prime is 1144537. The reversal of 1144531 is 1354411.

It is not a de Polignac number, because 1144531 - 2¹ = 1144529 is a prime.

It is a super-2 number, since 2×1144531² = 2619902419922, 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 = 1144499 and 1144508.

It is not an unprimeable number, because it can be changed into a prime (1144537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1540 + ... + 2158.

It is an arithmetic number, because the mean of its divisors is an integer number (195610).

2^1144531 is an apocalyptic number.

1144531 is a deficient number, since it is larger than the sum of its proper divisors (29129).

1144531 is an frugal number, since it uses more digits than its factorization.

1144531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 662 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 1144531 is about 1069.8275561977. The cubic root of 1144531 is about 104.6026097739.

Adding to 1144531 its reverse (1354411), we get a palindrome (2498942).

It can be divided in two parts, 11445 and 31, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1144531 in words is "one million, one hundred forty-four thousand, five hundred thirty-one".