963982121 has 2 divisors, whose sum is σ = 963982122. Its totient is φ = 963982120.

The previous prime is 963982111. The next prime is 963982139. The reversal of 963982121 is 121289369.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963792025 + 190096 = 31045^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 963982121 - 2⁶ = 963982057 is a prime.

It is not a weakly prime, because it can be changed into another prime (963982111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481991060 + 481991061.

It is an arithmetic number, because the mean of its divisors is an integer number (481991061).

Almost surely, 2^963982121 is an apocalyptic number.

It is an amenable number.

963982121 is a deficient number, since it is larger than the sum of its proper divisors (1).

963982121 is an equidigital number, since it uses as much as digits as its factorization.

963982121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 963982121 is about 31048.0614692770. The cubic root of 963982121 is about 987.8469418332.

The spelling of 963982121 in words is "nine hundred sixty-three million, nine hundred eighty-two thousand, one hundred twenty-one".