121504134242 has 8 divisors (see below), whose sum is σ = 182271502800. Its totient is φ = 60746966644.

The previous prime is 121504134223. The next prime is 121504134259. The reversal of 121504134242 is 242431405121.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520392 + ... + 2568147.

It is an arithmetic number, because the mean of its divisors is an integer number (22783937850).

Almost surely, 2^121504134242 is an apocalyptic number.

121504134242 is a deficient number, since it is larger than the sum of its proper divisors (60767368558).

121504134242 is a wasteful number, since it uses less digits than its factorization.

121504134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100480.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 121504134242 its reverse (242431405121), we get a palindrome (363935539363).

The spelling of 121504134242 in words is "one hundred twenty-one billion, five hundred four million, one hundred thirty-four thousand, two hundred forty-two".