112809542 has 4 divisors (see below), whose sum is σ = 169214316. Its totient is φ = 56404770.

The previous prime is 112809497. The next prime is 112809563. The reversal of 112809542 is 245908211.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 112809499 and 112809508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28202384 + ... + 28202387.

It is an arithmetic number, because the mean of its divisors is an integer number (42303579).

Almost surely, 2^112809542 is an apocalyptic number.

112809542 is a deficient number, since it is larger than the sum of its proper divisors (56404774).

112809542 is an equidigital number, since it uses as much as digits as its factorization.

112809542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56404773.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 112809542 is about 10621.1836440201. The cubic root of 112809542 is about 483.1870416819.

The spelling of 112809542 in words is "one hundred twelve million, eight hundred nine thousand, five hundred forty-two".