121417319 has 4 divisors (see below), whose sum is σ = 121439544. Its totient is φ = 121395096.

The previous prime is 121417291. The next prime is 121417321. The reversal of 121417319 is 913714121.

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

It is a cyclic number.

It is not a de Polignac number, because 121417319 - 2⁸ = 121417063 is a prime.

It is a super-2 number, since 2×121417319² = 29484330706295522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121417291 and 121417300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121417819) 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 3 ways as a sum of consecutive naturals, for example, 3404 + ... + 15950.

It is an arithmetic number, because the mean of its divisors is an integer number (30359886).

Almost surely, 2^121417319 is an apocalyptic number.

121417319 is a deficient number, since it is larger than the sum of its proper divisors (22225).

121417319 is an equidigital number, since it uses as much as digits as its factorization.

121417319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22224.

The product of its digits is 1512, while the sum is 29.

The square root of 121417319 is about 11018.9527179310. The cubic root of 121417319 is about 495.1767134258.

The spelling of 121417319 in words is "one hundred twenty-one million, four hundred seventeen thousand, three hundred nineteen".