121418788 has 6 divisors (see below), whose sum is σ = 212482886. Its totient is φ = 60709392.

The previous prime is 121418779. The next prime is 121418821. The reversal of 121418788 is 887814121.

It can be written as a sum of positive squares in only one way, i.e., 91738084 + 29680704 = 9578^2 + 5448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121418788.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177345 + ... + 15177352.

Almost surely, 2^121418788 is an apocalyptic number.

It is an amenable number.

121418788 is a deficient number, since it is larger than the sum of its proper divisors (91064098).

121418788 is a wasteful number, since it uses less digits than its factorization.

121418788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30354701 (or 30354699 counting only the distinct ones).

The product of its digits is 28672, while the sum is 40.

The square root of 121418788 is about 11019.0193756069. The cubic root of 121418788 is about 495.1787104271.

It can be divided in two parts, 1214 and 18788, that added together give a palindrome (20002).

The spelling of 121418788 in words is "one hundred twenty-one million, four hundred eighteen thousand, seven hundred eighty-eight".