112121230 has 16 divisors (see below), whose sum is σ = 217342944. Its totient is φ = 41398560.

The previous prime is 112121213. The next prime is 112121237. The reversal of 112121230 is 32121211.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 112121230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121237) 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, 431106 + ... + 431365.

It is an arithmetic number, because the mean of its divisors is an integer number (13583934).

Almost surely, 2^112121230 is an apocalyptic number.

112121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121230 is a deficient number, since it is larger than the sum of its proper divisors (105221714).

112121230 is a wasteful number, since it uses less digits than its factorization.

112121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862491.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 112121230 is about 10588.7312743312. The cubic root of 112121230 is about 482.2023077100.

Adding to 112121230 its reverse (32121211), we get a palindrome (144242441).

The spelling of 112121230 in words is "one hundred twelve million, one hundred twenty-one thousand, two hundred thirty".