408122093 has 2 divisors, whose sum is σ = 408122094. Its totient is φ = 408122092.

The previous prime is 408122083. The next prime is 408122131. The reversal of 408122093 is 390221804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377408329 + 30713764 = 19427^2 + 5542^2 .

It is a cyclic number.

It is not a de Polignac number, because 408122093 - 2¹⁶ = 408056557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408122023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204061046 + 204061047.

It is an arithmetic number, because the mean of its divisors is an integer number (204061047).

Almost surely, 2^408122093 is an apocalyptic number.

It is an amenable number.

408122093 is a deficient number, since it is larger than the sum of its proper divisors (1).

408122093 is an equidigital number, since it uses as much as digits as its factorization.

408122093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 408122093 is about 20202.0319027567. The cubic root of 408122093 is about 741.7599290427.

Adding to 408122093 its reverse (390221804), we get a palindrome (798343897).

The spelling of 408122093 in words is "four hundred eight million, one hundred twenty-two thousand, ninety-three".