121410545242 has 16 divisors (see below), whose sum is σ = 210983493312. Its totient is φ = 51320308320.

The previous prime is 121410545239. The next prime is 121410545287. The reversal of 121410545242 is 242545014121.

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 7 ways as a sum of consecutive naturals, for example, 59397484 + ... + 59399527.

It is an arithmetic number, because the mean of its divisors is an integer number (13186468332).

Almost surely, 2^121410545242 is an apocalyptic number.

121410545242 is a deficient number, since it is larger than the sum of its proper divisors (89572948070).

121410545242 is a wasteful number, since it uses less digits than its factorization.

121410545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118797093.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 121410545242 its reverse (242545014121), we get a palindrome (363955559363).

The spelling of 121410545242 in words is "one hundred twenty-one billion, four hundred ten million, five hundred forty-five thousand, two hundred forty-two".