112878418 has 4 divisors (see below), whose sum is σ = 169317630. Its totient is φ = 56439208.

The previous prime is 112878413. The next prime is 112878431. The reversal of 112878418 is 814878211.

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

It can be written as a sum of positive squares in only one way, i.e., 99940009 + 12938409 = 9997^2 + 3597^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (112878413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28219603 + ... + 28219606.

Almost surely, 2^112878418 is an apocalyptic number.

112878418 is a deficient number, since it is larger than the sum of its proper divisors (56439212).

112878418 is an equidigital number, since it uses as much as digits as its factorization.

112878418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56439211.

The product of its digits is 28672, while the sum is 40.

The square root of 112878418 is about 10624.4255374114. The cubic root of 112878418 is about 483.2853584831.

The spelling of 112878418 in words is "one hundred twelve million, eight hundred seventy-eight thousand, four hundred eighteen".