121018382 has 4 divisors (see below), whose sum is σ = 181527576. Its totient is φ = 60509190.

The previous prime is 121018369. The next prime is 121018397. The reversal of 121018382 is 283810121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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, 30254594 + ... + 30254597.

It is an arithmetic number, because the mean of its divisors is an integer number (45381894).

Almost surely, 2^121018382 is an apocalyptic number.

121018382 is a deficient number, since it is larger than the sum of its proper divisors (60509194).

121018382 is an equidigital number, since it uses as much as digits as its factorization.

121018382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60509193.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 121018382 is about 11000.8355137235. The cubic root of 121018382 is about 494.6337896074.

The spelling of 121018382 in words is "one hundred twenty-one million, eighteen thousand, three hundred eighty-two".