112140531 has 20 divisors (see below), whose sum is σ = 167996400. Its totient is φ = 74547216.

The previous prime is 112140521. The next prime is 112140557. The reversal of 112140531 is 135041211.

It is not a de Polignac number, because 112140531 - 2⁵ = 112140499 is a prime.

It is a super-2 number, since 2×112140531² = 25150997385923922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112140521) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29730 + ... + 33288.

It is an arithmetic number, because the mean of its divisors is an integer number (8399820).

Almost surely, 2^112140531 is an apocalyptic number.

112140531 is a deficient number, since it is larger than the sum of its proper divisors (55855869).

112140531 is an equidigital number, since it uses as much as digits as its factorization.

112140531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3951 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 112140531 is about 10589.6426285310. The cubic root of 112140531 is about 482.2299755381.

Adding to 112140531 its reverse (135041211), we get a palindrome (247181742).

The spelling of 112140531 in words is "one hundred twelve million, one hundred forty thousand, five hundred thirty-one".