112239381 has 8 divisors (see below), whose sum is σ = 151134624. Its totient is φ = 74085200.

The previous prime is 112239341. The next prime is 112239401. The reversal of 112239381 is 183932211.

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 112239381 - 2⁶ = 112239317 is a prime.

It is a super-2 number, since 2×112239381² = 25195357294526322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112239301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184911 + ... + 185516.

It is an arithmetic number, because the mean of its divisors is an integer number (18891828).

Almost surely, 2^112239381 is an apocalyptic number.

It is an amenable number.

112239381 is a deficient number, since it is larger than the sum of its proper divisors (38895243).

112239381 is a wasteful number, since it uses less digits than its factorization.

112239381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370531.

The product of its digits is 2592, while the sum is 30.

The square root of 112239381 is about 10594.3088967615. The cubic root of 112239381 is about 482.3716264743.

The spelling of 112239381 in words is "one hundred twelve million, two hundred thirty-nine thousand, three hundred eighty-one".