121413242 has 8 divisors (see below), whose sum is σ = 182937216. Its totient is φ = 60434172.

The previous prime is 121413233. The next prime is 121413277. The reversal of 121413242 is 242314121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135668 + ... + 136559.

It is an arithmetic number, because the mean of its divisors is an integer number (22867152).

Almost surely, 2^121413242 is an apocalyptic number.

121413242 is a deficient number, since it is larger than the sum of its proper divisors (61523974).

121413242 is a wasteful number, since it uses less digits than its factorization.

121413242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272452.

The product of its digits is 384, while the sum is 20.

The square root of 121413242 is about 11018.7677169455. The cubic root of 121413242 is about 495.1711709489.

Adding to 121413242 its reverse (242314121), we get a palindrome (363727363).

The spelling of 121413242 in words is "one hundred twenty-one million, four hundred thirteen thousand, two hundred forty-two".