121008219 has 8 divisors (see below), whose sum is σ = 161667072. Its totient is φ = 80510760.

The previous prime is 121008191. The next prime is 121008247. The reversal of 121008219 is 912800121.

It is an interprime number because it is at equal distance from previous prime (121008191) and next prime (121008247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121008219 - 2⁵ = 121008187 is a prime.

It is a super-2 number, since 2×121008219² = 29285978131103922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121008259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38587 + ... + 41604.

It is an arithmetic number, because the mean of its divisors is an integer number (20208384).

Almost surely, 2^121008219 is an apocalyptic number.

121008219 is a deficient number, since it is larger than the sum of its proper divisors (40658853).

121008219 is an equidigital number, since it uses as much as digits as its factorization.

121008219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80697.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 121008219 is about 11000.3735845652. The cubic root of 121008219 is about 494.6199429398.

The spelling of 121008219 in words is "one hundred twenty-one million, eight thousand, two hundred nineteen".