121963417 has 2 divisors, whose sum is σ = 121963418. Its totient is φ = 121963416.

The previous prime is 121963399. The next prime is 121963453. The reversal of 121963417 is 714369121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120472576 + 1490841 = 10976^2 + 1221^2 .

It is a cyclic number.

It is not a de Polignac number, because 121963417 - 2¹¹ = 121961369 is a prime.

It is not a weakly prime, because it can be changed into another prime (121963487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60981708 + 60981709.

It is an arithmetic number, because the mean of its divisors is an integer number (60981709).

Almost surely, 2^121963417 is an apocalyptic number.

It is an amenable number.

121963417 is a deficient number, since it is larger than the sum of its proper divisors (1).

121963417 is an equidigital number, since it uses as much as digits as its factorization.

121963417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 121963417 is about 11043.7048584250. The cubic root of 121963417 is about 495.9179877084.

The spelling of 121963417 in words is "one hundred twenty-one million, nine hundred sixty-three thousand, four hundred seventeen".