122808437 has 2 divisors, whose sum is σ = 122808438. Its totient is φ = 122808436.

The previous prime is 122808403. The next prime is 122808449. The reversal of 122808437 is 734808221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103103716 + 19704721 = 10154^2 + 4439^2 .

It is a cyclic number.

It is not a de Polignac number, because 122808437 - 2⁶ = 122808373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122808397 and 122808406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122808137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61404218 + 61404219.

It is an arithmetic number, because the mean of its divisors is an integer number (61404219).

Almost surely, 2^122808437 is an apocalyptic number.

It is an amenable number.

122808437 is a deficient number, since it is larger than the sum of its proper divisors (1).

122808437 is an equidigital number, since it uses as much as digits as its factorization.

122808437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 122808437 is about 11081.8968141740. The cubic root of 122808437 is about 497.0606705444.

The spelling of 122808437 in words is "one hundred twenty-two million, eight hundred eight thousand, four hundred thirty-seven".