121105422 has 32 divisors (see below), whose sum is σ = 271257600. Its totient is φ = 40048344.

The previous prime is 121105409. The next prime is 121105423. The reversal of 121105422 is 224501121.

121105422 is a `hidden beast` number, since 12 + 110 + 542 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121105395 and 121105404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121105423) 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, 1972 + ... + 15687.

It is an arithmetic number, because the mean of its divisors is an integer number (8476800).

Almost surely, 2^121105422 is an apocalyptic number.

121105422 is an abundant number, since it is smaller than the sum of its proper divisors (150152178).

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

121105422 is a wasteful number, since it uses less digits than its factorization.

121105422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17797 (or 17791 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121105422 is about 11004.7908658002. The cubic root of 121105422 is about 494.7523462730.

Adding to 121105422 its reverse (224501121), we get a palindrome (345606543).

The spelling of 121105422 in words is "one hundred twenty-one million, one hundred five thousand, four hundred twenty-two".