121201319 has 2 divisors, whose sum is σ = 121201320. Its totient is φ = 121201318.

The previous prime is 121201273. The next prime is 121201343. The reversal of 121201319 is 913102121.

It is a strong prime.

It is an emirp because it is prime and its reverse (913102121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121201319 - 2¹⁶ = 121135783 is a prime.

It is a super-2 number, since 2×121201319² = 29379519454679522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121201319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600659 + 60600660.

It is an arithmetic number, because the mean of its divisors is an integer number (60600660).

Almost surely, 2^121201319 is an apocalyptic number.

121201319 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201319 is an equidigital number, since it uses as much as digits as its factorization.

121201319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 121201319 is about 11009.1470605129. The cubic root of 121201319 is about 494.8829012538.

The spelling of 121201319 in words is "one hundred twenty-one million, two hundred one thousand, three hundred nineteen".