121116542 has 8 divisors (see below), whose sum is σ = 186106032. Its totient is φ = 59081200.

The previous prime is 121116529. The next prime is 121116553. The reversal of 121116542 is 245611121.

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

It is a congruent number.

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, 738434 + ... + 738597.

It is an arithmetic number, because the mean of its divisors is an integer number (23263254).

Almost surely, 2^121116542 is an apocalyptic number.

121116542 is a deficient number, since it is larger than the sum of its proper divisors (64989490).

121116542 is a wasteful number, since it uses less digits than its factorization.

121116542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477074.

The product of its digits is 480, while the sum is 23.

The square root of 121116542 is about 11005.2960887020. The cubic root of 121116542 is about 494.7674886661.

Adding to 121116542 its reverse (245611121), we get a palindrome (366727663).

The spelling of 121116542 in words is "one hundred twenty-one million, one hundred sixteen thousand, five hundred forty-two".