121140122 has 8 divisors (see below), whose sum is σ = 182121696. Its totient is φ = 60432892.

The previous prime is 121140121. The next prime is 121140137. The reversal of 121140122 is 221041121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×121140122³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121140097 and 121140106.

It is not an unprimeable number, because it can be changed into a prime (121140121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67478 + ... + 69249.

It is an arithmetic number, because the mean of its divisors is an integer number (22765212).

Almost surely, 2^121140122 is an apocalyptic number.

121140122 is a deficient number, since it is larger than the sum of its proper divisors (60981574).

121140122 is a wasteful number, since it uses less digits than its factorization.

121140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137172.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121140122 is about 11006.3673389543. The cubic root of 121140122 is about 494.7995950989.

Adding to 121140122 its reverse (221041121), we get a palindrome (342181243).

Subtracting 121140122 from its reverse (221041121), we obtain a palindrome (99900999).

The spelling of 121140122 in words is "one hundred twenty-one million, one hundred forty thousand, one hundred twenty-two".