121140422 has 32 divisors (see below), whose sum is σ = 200182752. Its totient is φ = 54641664.

The previous prime is 121140421. The next prime is 121140433. The reversal of 121140422 is 224041121.

It is a super-3 number, since 3×121140422³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121140422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121140421) 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, 342998 + ... + 343350.

It is an arithmetic number, because the mean of its divisors is an integer number (6255711).

Almost surely, 2^121140422 is an apocalyptic number.

121140422 is a deficient number, since it is larger than the sum of its proper divisors (79042330).

121140422 is a wasteful number, since it uses less digits than its factorization.

121140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121140422 is about 11006.3809674207. The cubic root of 121140422 is about 494.8000035508.

Adding to 121140422 its reverse (224041121), we get a palindrome (345181543).

The spelling of 121140422 in words is "one hundred twenty-one million, one hundred forty thousand, four hundred twenty-two".