112973287 has 4 divisors (see below), whose sum is σ = 129112336. Its totient is φ = 96834240.

The previous prime is 112973261. The next prime is 112973291. The reversal of 112973287 is 782379211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782379211 = 1367 ⋅572333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112973287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112973227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069514 + ... + 8069527.

It is an arithmetic number, because the mean of its divisors is an integer number (32278084).

Almost surely, 2^112973287 is an apocalyptic number.

112973287 is a deficient number, since it is larger than the sum of its proper divisors (16139049).

112973287 is an equidigital number, since it uses as much as digits as its factorization.

112973287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16139048.

The product of its digits is 42336, while the sum is 40.

The square root of 112973287 is about 10628.8892646410. The cubic root of 112973287 is about 483.4207134396.

The spelling of 112973287 in words is "one hundred twelve million, nine hundred seventy-three thousand, two hundred eighty-seven".