122183689 has 2 divisors, whose sum is σ = 122183690. Its totient is φ = 122183688.

The previous prime is 122183681. The next prime is 122183693. The reversal of 122183689 is 986381221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78623689 + 43560000 = 8867^2 + 6600^2 .

It is a cyclic number.

It is not a de Polignac number, because 122183689 - 2³ = 122183681 is a prime.

It is not a weakly prime, because it can be changed into another prime (122183681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61091844 + 61091845.

It is an arithmetic number, because the mean of its divisors is an integer number (61091845).

Almost surely, 2^122183689 is an apocalyptic number.

It is an amenable number.

122183689 is a deficient number, since it is larger than the sum of its proper divisors (1).

122183689 is an equidigital number, since it uses as much as digits as its factorization.

122183689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 122183689 is about 11053.6730999247. The cubic root of 122183689 is about 496.2163590102.

The spelling of 122183689 in words is "one hundred twenty-two million, one hundred eighty-three thousand, six hundred eighty-nine".