121418020 has 12 divisors (see below), whose sum is σ = 254977884. Its totient is φ = 48567200.

The previous prime is 121417993. The next prime is 121418057. The reversal of 121418020 is 20814121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69923044 + 51494976 = 8362^2 + 7176^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 3035431 + ... + 3035470.

It is an arithmetic number, because the mean of its divisors is an integer number (21248157).

Almost surely, 2^121418020 is an apocalyptic number.

121418020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121418020 is an abundant number, since it is smaller than the sum of its proper divisors (133559864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121418020 is a wasteful number, since it uses less digits than its factorization.

121418020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070910 (or 6070908 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 121418020 is about 11018.9845267157. The cubic root of 121418020 is about 495.1776663876.

The spelling of 121418020 in words is "one hundred twenty-one million, four hundred eighteen thousand, twenty".