121484242 has 12 divisors (see below), whose sum is σ = 200298798. Its totient is φ = 55220000.

The previous prime is 121484239. The next prime is 121484249. The reversal of 121484242 is 242484121.

It can be written as a sum of positive squares in only one way, i.e., 93489561 + 27994681 = 9669^2 + 5291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121484242.

It is not an unprimeable number, because it can be changed into a prime (121484249) 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 5 ways as a sum of consecutive naturals, for example, 250759 + ... + 251242.

Almost surely, 2^121484242 is an apocalyptic number.

121484242 is a deficient number, since it is larger than the sum of its proper divisors (78814556).

121484242 is a wasteful number, since it uses less digits than its factorization.

121484242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502025 (or 502014 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 121484242 is about 11021.9890219506. The cubic root of 121484242 is about 495.2676741576.

The spelling of 121484242 in words is "one hundred twenty-one million, four hundred eighty-four thousand, two hundred forty-two".