112921278 has 8 divisors (see below), whose sum is σ = 225842568. Its totient is φ = 37640424.

The previous prime is 112921271. The next prime is 112921337. The reversal of 112921278 is 872129211.

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

112921278 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112921271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9410101 + ... + 9410112.

It is an arithmetic number, because the mean of its divisors is an integer number (28230321).

Almost surely, 2^112921278 is an apocalyptic number.

112921278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112921278 is a wasteful number, since it uses less digits than its factorization.

112921278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18820218.

The product of its digits is 4032, while the sum is 33.

The square root of 112921278 is about 10626.4423962114. The cubic root of 112921278 is about 483.3465186521.

The spelling of 112921278 in words is "one hundred twelve million, nine hundred twenty-one thousand, two hundred seventy-eight".