122793493 has 2 divisors, whose sum is σ = 122793494. Its totient is φ = 122793492.

The previous prime is 122793487. The next prime is 122793529. The reversal of 122793493 is 394397221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119617969 + 3175524 = 10937^2 + 1782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122793493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122793403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61396746 + 61396747.

It is an arithmetic number, because the mean of its divisors is an integer number (61396747).

Almost surely, 2^122793493 is an apocalyptic number.

It is an amenable number.

122793493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122793493 is an equidigital number, since it uses as much as digits as its factorization.

122793493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 122793493 is about 11081.2225408571. Note that the first 3 decimals coincide. The cubic root of 122793493 is about 497.0405080427.

The spelling of 122793493 in words is "one hundred twenty-two million, seven hundred ninety-three thousand, four hundred ninety-three".