121136422 has 32 divisors (see below), whose sum is σ = 206388000. Its totient is φ = 52819200.

The previous prime is 121136399. The next prime is 121136453. The reversal of 121136422 is 224631121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 121136393 and 121136402.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 114954 + ... + 116002.

It is an arithmetic number, because the mean of its divisors is an integer number (6449625).

Almost surely, 2^121136422 is an apocalyptic number.

121136422 is a deficient number, since it is larger than the sum of its proper divisors (85251578).

121136422 is a wasteful number, since it uses less digits than its factorization.

121136422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its digits is 576, while the sum is 22.

The square root of 121136422 is about 11006.1992531482. The cubic root of 121136422 is about 494.7945574694.

Adding to 121136422 its reverse (224631121), we get a palindrome (345767543).

The spelling of 121136422 in words is "one hundred twenty-one million, one hundred thirty-six thousand, four hundred twenty-two".