121319118 has 24 divisors (see below), whose sum is σ = 267169656. Its totient is φ = 39776400.

The previous prime is 121319087. The next prime is 121319119. The reversal of 121319118 is 811913121.

It is a junction number, because it is equal to n+sod(n) for n = 121319091 and 121319100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121319119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54148 + ... + 56343.

It is an arithmetic number, because the mean of its divisors is an integer number (11132069).

Almost surely, 2^121319118 is an apocalyptic number.

121319118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

121319118 is an abundant number, since it is smaller than the sum of its proper divisors (145850538).

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

121319118 is a wasteful number, since it uses less digits than its factorization.

121319118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110560 (or 110557 counting only the distinct ones).

The product of its digits is 432, while the sum is 27.

The square root of 121319118 is about 11014.4958123375. The cubic root of 121319118 is about 495.0431795819.

The spelling of 121319118 in words is "one hundred twenty-one million, three hundred nineteen thousand, one hundred eighteen".