112947942 has 32 divisors (see below), whose sum is σ = 235837440. Its totient is φ = 36020160.

The previous prime is 112947937. The next prime is 112947979. The reversal of 112947942 is 249749211.

It is a self number, because there is not a number n which added to its sum of digits gives 112947942.

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, 13143 + ... + 19965.

It is an arithmetic number, because the mean of its divisors is an integer number (7369920).

Almost surely, 2^112947942 is an apocalyptic number.

112947942 is an abundant number, since it is smaller than the sum of its proper divisors (122889498).

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

112947942 is a wasteful number, since it uses less digits than its factorization.

112947942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948.

The product of its digits is 36288, while the sum is 39.

The square root of 112947942 is about 10627.6969283095. The cubic root of 112947942 is about 483.3845597179.

The spelling of 112947942 in words is "one hundred twelve million, nine hundred forty-seven thousand, nine hundred forty-two".