121345122 has 16 divisors (see below), whose sum is σ = 244918080. Its totient is φ = 40077072.

The previous prime is 121345121. The next prime is 121345151. The reversal of 121345122 is 221543121.

It is not an unprimeable number, because it can be changed into a prime (121345121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92118 + ... + 93425.

It is an arithmetic number, because the mean of its divisors is an integer number (15307380).

Almost surely, 2^121345122 is an apocalyptic number.

121345122 is an abundant number, since it is smaller than the sum of its proper divisors (123572958).

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

121345122 is a wasteful number, since it uses less digits than its factorization.

121345122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185657.

The product of its digits is 480, while the sum is 21.

The square root of 121345122 is about 11015.6761934981. The cubic root of 121345122 is about 495.0785468662.

Adding to 121345122 its reverse (221543121), we get a palindrome (342888243).

The spelling of 121345122 in words is "one hundred twenty-one million, three hundred forty-five thousand, one hundred twenty-two".