122392493 has 2 divisors, whose sum is σ = 122392494. Its totient is φ = 122392492.

The previous prime is 122392489. The next prime is 122392519. The reversal of 122392493 is 394293221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122367844 + 24649 = 11062^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 122392493 - 2² = 122392489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122392393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61196246 + 61196247.

It is an arithmetic number, because the mean of its divisors is an integer number (61196247).

Almost surely, 2^122392493 is an apocalyptic number.

It is an amenable number.

122392493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122392493 is an equidigital number, since it uses as much as digits as its factorization.

122392493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 122392493 is about 11063.1140733520. The cubic root of 122392493 is about 496.4988653344.

The spelling of 122392493 in words is "one hundred twenty-two million, three hundred ninety-two thousand, four hundred ninety-three".