122681963 has 4 divisors (see below), whose sum is σ = 125674248. Its totient is φ = 119689680.

The previous prime is 122681957. The next prime is 122681987. The reversal of 122681963 is 369186221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369186221 = 1361 ⋅271261.

It is a cyclic number.

It is not a de Polignac number, because 122681963 - 2²⁰ = 121633387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122681863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496081 + ... + 1496162.

It is an arithmetic number, because the mean of its divisors is an integer number (31418562).

Almost surely, 2^122681963 is an apocalyptic number.

122681963 is a deficient number, since it is larger than the sum of its proper divisors (2992285).

122681963 is an equidigital number, since it uses as much as digits as its factorization.

122681963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992284.

The product of its digits is 31104, while the sum is 38.

The square root of 122681963 is about 11076.1890106661. The cubic root of 122681963 is about 496.8899796547.

The spelling of 122681963 in words is "one hundred twenty-two million, six hundred eighty-one thousand, nine hundred sixty-three".