122857093 has 2 divisors, whose sum is σ = 122857094. Its totient is φ = 122857092.

The previous prime is 122857081. The next prime is 122857109. The reversal of 122857093 is 390758221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99062209 + 23794884 = 9953^2 + 4878^2 .

It is a cyclic number.

It is not a de Polignac number, because 122857093 - 2⁹ = 122856581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122857043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61428546 + 61428547.

It is an arithmetic number, because the mean of its divisors is an integer number (61428547).

Almost surely, 2^122857093 is an apocalyptic number.

It is an amenable number.

122857093 is a deficient number, since it is larger than the sum of its proper divisors (1).

122857093 is an equidigital number, since it uses as much as digits as its factorization.

122857093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 122857093 is about 11084.0918888288. The cubic root of 122857093 is about 497.1263060748.

The spelling of 122857093 in words is "one hundred twenty-two million, eight hundred fifty-seven thousand, ninety-three".