112978277 has 8 divisors (see below), whose sum is σ = 124825536. Its totient is φ = 101708992.

The previous prime is 112978273. The next prime is 112978309. The reversal of 112978277 is 772879211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112978277 - 2² = 112978273 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 (112978273) 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 7 ways as a sum of consecutive naturals, for example, 144083 + ... + 144864.

It is an arithmetic number, because the mean of its divisors is an integer number (15603192).

Almost surely, 2^112978277 is an apocalyptic number.

112978277 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

112978277 is a deficient number, since it is larger than the sum of its proper divisors (11847259).

112978277 is a wasteful number, since it uses less digits than its factorization.

112978277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288987.

The product of its digits is 98784, while the sum is 44.

The square root of 112978277 is about 10629.1239996530. The cubic root of 112978277 is about 483.4278308562.

The spelling of 112978277 in words is "one hundred twelve million, nine hundred seventy-eight thousand, two hundred seventy-seven".