121338419 has 2 divisors, whose sum is σ = 121338420. Its totient is φ = 121338418.

The previous prime is 121338403. The next prime is 121338461. The reversal of 121338419 is 914833121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121338419 - 2⁴ = 121338403 is a prime.

It is a super-2 number, since 2×121338419² = 29446023850839122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121338479) 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 as a sum of consecutive naturals, namely, 60669209 + 60669210.

It is an arithmetic number, because the mean of its divisors is an integer number (60669210).

Almost surely, 2^121338419 is an apocalyptic number.

121338419 is a deficient number, since it is larger than the sum of its proper divisors (1).

121338419 is an equidigital number, since it uses as much as digits as its factorization.

121338419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 121338419 is about 11015.3719410649. The cubic root of 121338419 is about 495.0694307942.

The spelling of 121338419 in words is "one hundred twenty-one million, three hundred thirty-eight thousand, four hundred nineteen".