121414242 has 32 divisors (see below), whose sum is σ = 258004800. Its totient is φ = 38017728.

The previous prime is 121414211. The next prime is 121414247. The reversal of 121414242 is 242414121.

It is not an unprimeable number, because it can be changed into a prime (121414247) by changing a digit.

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, 2992 + ... + 15867.

It is an arithmetic number, because the mean of its divisors is an integer number (8062650).

Almost surely, 2^121414242 is an apocalyptic number.

121414242 is an abundant number, since it is smaller than the sum of its proper divisors (136590558).

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

121414242 is a wasteful number, since it uses less digits than its factorization.

121414242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18930.

The product of its digits is 512, while the sum is 21.

The square root of 121414242 is about 11018.8130939770. The cubic root of 121414242 is about 495.1725304102.

Adding to 121414242 its reverse (242414121), we get a palindrome (363828363).

The spelling of 121414242 in words is "one hundred twenty-one million, four hundred fourteen thousand, two hundred forty-two".