121422112 has 24 divisors (see below), whose sum is σ = 273200256. Its totient is φ = 52037952.

The previous prime is 121422089. The next prime is 121422113. The reversal of 121422112 is 211224121.

It is a super-4 number, since 4×121422112⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121422113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270808 + ... + 271255.

It is an arithmetic number, because the mean of its divisors is an integer number (11383344).

Almost surely, 2^121422112 is an apocalyptic number.

It is an amenable number.

121422112 is an abundant number, since it is smaller than the sum of its proper divisors (151778144).

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

121422112 is an equidigital number, since it uses as much as digits as its factorization.

121422112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542080 (or 542072 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 121422112 is about 11019.1702046933. The cubic root of 121422112 is about 495.1832291101.

Adding to 121422112 its reverse (211224121), we get a palindrome (332646233).

The spelling of 121422112 in words is "one hundred twenty-one million, four hundred twenty-two thousand, one hundred twelve".