242121414 has 32 divisors (see below), whose sum is σ = 518964480. Its totient is φ = 75110112.

The previous prime is 242121413. The next prime is 242121421. The reversal of 242121414 is 414121242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242121413) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18604 + ... + 28815.

It is an arithmetic number, because the mean of its divisors is an integer number (16217640).

Almost surely, 2^242121414 is an apocalyptic number.

242121414 is an abundant number, since it is smaller than the sum of its proper divisors (276843066).

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

242121414 is a wasteful number, since it uses less digits than its factorization.

242121414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47484.

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

The square root of 242121414 is about 15560.2510905191. The cubic root of 242121414 is about 623.2721677013.

Adding to 242121414 its reverse (414121242), we get a palindrome (656242656).

The spelling of 242121414 in words is "two hundred forty-two million, one hundred twenty-one thousand, four hundred fourteen".