112947870 has 32 divisors (see below), whose sum is σ = 309800448. Its totient is φ = 25816608.

The previous prime is 112947851. The next prime is 112947883. The reversal of 112947870 is 78749211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 268714 + ... + 269133.

It is an arithmetic number, because the mean of its divisors is an integer number (9681264).

Almost surely, 2^112947870 is an apocalyptic number.

112947870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112947870 is an abundant number, since it is smaller than the sum of its proper divisors (196852578).

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

112947870 is a wasteful number, since it uses less digits than its factorization.

112947870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537864.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 112947870 is about 10627.6935409335. The cubic root of 112947870 is about 483.3844570048.

The spelling of 112947870 in words is "one hundred twelve million, nine hundred forty-seven thousand, eight hundred seventy".