121340122 has 4 divisors (see below), whose sum is σ = 182010186. Its totient is φ = 60670060.

The previous prime is 121340117. The next prime is 121340123. The reversal of 121340122 is 221043121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93683041 + 27657081 = 9679^2 + 5259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121340096 and 121340105.

It is not an unprimeable number, because it can be changed into a prime (121340123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30335029 + ... + 30335032.

Almost surely, 2^121340122 is an apocalyptic number.

121340122 is a deficient number, since it is larger than the sum of its proper divisors (60670064).

121340122 is an equidigital number, since it uses as much as digits as its factorization.

121340122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60670063.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121340122 is about 11015.4492418603. The cubic root of 121340122 is about 495.0717469039.

Adding to 121340122 its reverse (221043121), we get a palindrome (342383243).

The spelling of 121340122 in words is "one hundred twenty-one million, three hundred forty thousand, one hundred twenty-two".