122605493 has 2 divisors, whose sum is σ = 122605494. Its totient is φ = 122605492.

The previous prime is 122605487. The next prime is 122605523. The reversal of 122605493 is 394506221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116143729 + 6461764 = 10777^2 + 2542^2 .

It is a cyclic number.

It is not a de Polignac number, because 122605493 - 2⁶ = 122605429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122605453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61302746 + 61302747.

It is an arithmetic number, because the mean of its divisors is an integer number (61302747).

Almost surely, 2^122605493 is an apocalyptic number.

It is an amenable number.

122605493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122605493 is an equidigital number, since it uses as much as digits as its factorization.

122605493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 122605493 is about 11072.7364729772. The cubic root of 122605493 is about 496.7867178729.

The spelling of 122605493 in words is "one hundred twenty-two million, six hundred five thousand, four hundred ninety-three".