121660463 has 2 divisors, whose sum is σ = 121660464. Its totient is φ = 121660462.

The previous prime is 121660457. The next prime is 121660507. The reversal of 121660463 is 364066121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (364066121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121660463 - 2⁴ = 121660447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121660163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60830231 + 60830232.

It is an arithmetic number, because the mean of its divisors is an integer number (60830232).

Almost surely, 2^121660463 is an apocalyptic number.

121660463 is a deficient number, since it is larger than the sum of its proper divisors (1).

121660463 is an equidigital number, since it uses as much as digits as its factorization.

121660463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 121660463 is about 11029.9801903721. The cubic root of 121660463 is about 495.5070313976.

The spelling of 121660463 in words is "one hundred twenty-one million, six hundred sixty thousand, four hundred sixty-three".