121895383 has 2 divisors, whose sum is σ = 121895384. Its totient is φ = 121895382.

The previous prime is 121895359. The next prime is 121895387. The reversal of 121895383 is 383598121.

It is a strong prime.

It is an emirp because it is prime and its reverse (383598121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121895383 - 2²⁵ = 88340951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121895387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60947691 + 60947692.

It is an arithmetic number, because the mean of its divisors is an integer number (60947692).

Almost surely, 2^121895383 is an apocalyptic number.

121895383 is a deficient number, since it is larger than the sum of its proper divisors (1).

121895383 is an equidigital number, since it uses as much as digits as its factorization.

121895383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 121895383 is about 11040.6242124257. The cubic root of 121895383 is about 495.8257590695.

The spelling of 121895383 in words is "one hundred twenty-one million, eight hundred ninety-five thousand, three hundred eighty-three".