112002381 has 6 divisors (see below), whose sum is σ = 161781230. Its totient is φ = 74668248.

The previous prime is 112002313. The next prime is 112002383. The reversal of 112002381 is 183200211.

It can be written as a sum of positive squares in only one way, i.e., 110880900 + 1121481 = 10530^2 + 1059^2 .

It is not a de Polignac number, because 112002381 - 2¹¹ = 112000333 is a prime.

It is a super-2 number, since 2×112002381² = 25089066699338322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6222346 + ... + 6222363.

Almost surely, 2^112002381 is an apocalyptic number.

It is an amenable number.

112002381 is a deficient number, since it is larger than the sum of its proper divisors (49778849).

112002381 is a wasteful number, since it uses less digits than its factorization.

112002381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12444715 (or 12444712 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 112002381 is about 10583.1177353368. The cubic root of 112002381 is about 482.0318686137.

Adding to 112002381 its reverse (183200211), we get a palindrome (295202592).

The spelling of 112002381 in words is "one hundred twelve million, two thousand, three hundred eighty-one".