121116742 has 8 divisors (see below), whose sum is σ = 181762056. Its totient is φ = 60529392.

The previous prime is 121116739. The next prime is 121116763. The reversal of 121116742 is 247611121.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8823 + ... + 17890.

It is an arithmetic number, because the mean of its divisors is an integer number (22720257).

Almost surely, 2^121116742 is an apocalyptic number.

121116742 is a deficient number, since it is larger than the sum of its proper divisors (60645314).

121116742 is a wasteful number, since it uses less digits than its factorization.

121116742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28982.

The product of its digits is 672, while the sum is 25.

The square root of 121116742 is about 11005.3051752325. The cubic root of 121116742 is about 494.7677610028.

Adding to 121116742 its reverse (247611121), we get a palindrome (368727863).

The spelling of 121116742 in words is "one hundred twenty-one million, one hundred sixteen thousand, seven hundred forty-two".