123222901 has 2 divisors, whose sum is σ = 123222902. Its totient is φ = 123222900.

The previous prime is 123222881. The next prime is 123222971. The reversal of 123222901 is 109222321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89756676 + 33466225 = 9474^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 123222901 - 2⁷ = 123222773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123222971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611450 + 61611451.

It is an arithmetic number, because the mean of its divisors is an integer number (61611451).

Almost surely, 2^123222901 is an apocalyptic number.

It is an amenable number.

123222901 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222901 is an equidigital number, since it uses as much as digits as its factorization.

123222901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 123222901 is about 11100.5811109149. The cubic root of 123222901 is about 497.6192163983.

The spelling of 123222901 in words is "one hundred twenty-three million, two hundred twenty-two thousand, nine hundred one".