1124144531 has 4 divisors (see below), whose sum is σ = 1124239272. Its totient is φ = 1124049792.

The previous prime is 1124144521. The next prime is 1124144587. The reversal of 1124144531 is 1354414211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1354414211 = 31 ⋅43690781.

It is a cyclic number.

It is not a de Polignac number, because 1124144531 - 2⁶ = 1124144467 is a prime.

It is a super-2 number, since 2×1124144531² = 2527401853154419922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1124144531.

It is not an unprimeable number, because it can be changed into a prime (1124144501) 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, 26510 + ... + 54323.

It is an arithmetic number, because the mean of its divisors is an integer number (281059818).

Almost surely, 2^1124144531 is an apocalyptic number.

1124144531 is a deficient number, since it is larger than the sum of its proper divisors (94741).

1124144531 is an equidigital number, since it uses as much as digits as its factorization.

1124144531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94740.

The product of its digits is 1920, while the sum is 26.

The square root of 1124144531 is about 33528.2646583446. The cubic root of 1124144531 is about 1039.7782228653.

Adding to 1124144531 its reverse (1354414211), we get a palindrome (2478558742).

The spelling of 1124144531 in words is "one billion, one hundred twenty-four million, one hundred forty-four thousand, five hundred thirty-one".