112001986 has 8 divisors (see below), whose sum is σ = 168856380. Its totient is φ = 55716528.

The previous prime is 112001963. The next prime is 112002029. The reversal of 112001986 is 689100211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90611361 + 21390625 = 9519^2 + 4625^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141741 + ... + 142528.

Almost surely, 2^112001986 is an apocalyptic number.

112001986 is a deficient number, since it is larger than the sum of its proper divisors (56854394).

112001986 is a wasteful number, since it uses less digits than its factorization.

112001986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284468.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 112001986 is about 10583.0990735228. The cubic root of 112001986 is about 482.0313019507.

The spelling of 112001986 in words is "one hundred twelve million, one thousand, nine hundred eighty-six".