122889113 has 2 divisors, whose sum is σ = 122889114. Its totient is φ = 122889112.

The previous prime is 122889103. The next prime is 122889119. The reversal of 122889113 is 311988221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73496329 + 49392784 = 8573^2 + 7028^2 .

It is a cyclic number.

It is not a de Polignac number, because 122889113 - 2⁴ = 122889097 is a prime.

It is not a weakly prime, because it can be changed into another prime (122889119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61444556 + 61444557.

It is an arithmetic number, because the mean of its divisors is an integer number (61444557).

Almost surely, 2^122889113 is an apocalyptic number.

It is an amenable number.

122889113 is a deficient number, since it is larger than the sum of its proper divisors (1).

122889113 is an equidigital number, since it uses as much as digits as its factorization.

122889113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 122889113 is about 11085.5362071485. The cubic root of 122889113 is about 497.1694906704.

The spelling of 122889113 in words is "one hundred twenty-two million, eight hundred eighty-nine thousand, one hundred thirteen".