1112525431 has 4 divisors (see below), whose sum is σ = 1113381864. Its totient is φ = 1111669000.

The previous prime is 1112525429. The next prime is 1112525437. The reversal of 1112525431 is 1345252111.

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 1112525431 - 2¹ = 1112525429 is a prime.

It is a super-2 number, since 2×1112525431² = 2475425669243471522, 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 = 1112525396 and 1112525405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112525437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426265 + ... + 428866.

It is an arithmetic number, because the mean of its divisors is an integer number (278345466).

Almost surely, 2^1112525431 is an apocalyptic number.

1112525431 is a deficient number, since it is larger than the sum of its proper divisors (856433).

1112525431 is an equidigital number, since it uses as much as digits as its factorization.

1112525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856432.

The product of its digits is 1200, while the sum is 25.

The square root of 1112525431 is about 33354.5413849449. The cubic root of 1112525431 is about 1036.1834443943.

Adding to 1112525431 its reverse (1345252111), we get a palindrome (2457777542).

The spelling of 1112525431 in words is "one billion, one hundred twelve million, five hundred twenty-five thousand, four hundred thirty-one".