122589437 has 2 divisors, whose sum is σ = 122589438. Its totient is φ = 122589436.

The previous prime is 122589427. The next prime is 122589449. The reversal of 122589437 is 734985221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118504996 + 4084441 = 10886^2 + 2021^2 .

It is a cyclic number.

It is not a de Polignac number, because 122589437 - 2²² = 118395133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122589394 and 122589403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122589427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61294718 + 61294719.

It is an arithmetic number, because the mean of its divisors is an integer number (61294719).

Almost surely, 2^122589437 is an apocalyptic number.

It is an amenable number.

122589437 is a deficient number, since it is larger than the sum of its proper divisors (1).

122589437 is an equidigital number, since it uses as much as digits as its factorization.

122589437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 122589437 is about 11072.0114252109. The cubic root of 122589437 is about 496.7650310910.

The spelling of 122589437 in words is "one hundred twenty-two million, five hundred eighty-nine thousand, four hundred thirty-seven".