112121382 has 32 divisors (see below), whose sum is σ = 232404480. Its totient is φ = 36036000.

The previous prime is 112121381. The next prime is 112121407. The reversal of 112121382 is 283121211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17632 + ... + 23132.

It is an arithmetic number, because the mean of its divisors is an integer number (7262640).

Almost surely, 2^112121382 is an apocalyptic number.

112121382 is an abundant number, since it is smaller than the sum of its proper divisors (120283098).

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

112121382 is a wasteful number, since it uses less digits than its factorization.

112121382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628.

The product of its digits is 192, while the sum is 21.

The square root of 112121382 is about 10588.7384517704. The cubic root of 112121382 is about 482.2025256132.

Adding to 112121382 its reverse (283121211), we get a palindrome (395242593).

The spelling of 112121382 in words is "one hundred twelve million, one hundred twenty-one thousand, three hundred eighty-two".