112842087 has 4 divisors (see below), whose sum is σ = 150456120. Its totient is φ = 75228056.

The previous prime is 112842061. The next prime is 112842101. The reversal of 112842087 is 780248211.

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: 780248211 = 3 ⋅260082737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112842087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112842187) 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, 18807012 + ... + 18807017.

It is an arithmetic number, because the mean of its divisors is an integer number (37614030).

Almost surely, 2^112842087 is an apocalyptic number.

112842087 is a deficient number, since it is larger than the sum of its proper divisors (37614033).

112842087 is an equidigital number, since it uses as much as digits as its factorization.

112842087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37614032.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 112842087 is about 10622.7156132507. The cubic root of 112842087 is about 483.2335029121.

The spelling of 112842087 in words is "one hundred twelve million, eight hundred forty-two thousand, eighty-seven".