121905059 has 2 divisors, whose sum is σ = 121905060. Its totient is φ = 121905058.

The previous prime is 121905053. The next prime is 121905061. The reversal of 121905059 is 950509121.

It is a strong prime.

It is an emirp because it is prime and its reverse (950509121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121905059 - 2²⁴ = 105127843 is a prime.

Together with 121905061, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (121905053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60952529 + 60952530.

It is an arithmetic number, because the mean of its divisors is an integer number (60952530).

Almost surely, 2^121905059 is an apocalyptic number.

121905059 is a deficient number, since it is larger than the sum of its proper divisors (1).

121905059 is an equidigital number, since it uses as much as digits as its factorization.

121905059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 121905059 is about 11041.0624035914. The cubic root of 121905059 is about 495.8388781967.

The spelling of 121905059 in words is "one hundred twenty-one million, nine hundred five thousand, fifty-nine".