121301969 has 2 divisors, whose sum is σ = 121301970. Its totient is φ = 121301968.

The previous prime is 121301951. The next prime is 121301981. The reversal of 121301969 is 969103121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 7772944 = 10655^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 121301969 - 2²⁴ = 104524753 is a prime.

It is a super-2 number, since 2×121301969² = 29428335366553922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121301989) 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, 60650984 + 60650985.

It is an arithmetic number, because the mean of its divisors is an integer number (60650985).

Almost surely, 2^121301969 is an apocalyptic number.

It is an amenable number.

121301969 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301969 is an equidigital number, since it uses as much as digits as its factorization.

121301969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 121301969 is about 11013.7173106994. The cubic root of 121301969 is about 495.0198529602.

The spelling of 121301969 in words is "one hundred twenty-one million, three hundred one thousand, nine hundred sixty-nine".