123252229 has 2 divisors, whose sum is σ = 123252230. Its totient is φ = 123252228.

The previous prime is 123252203. The next prime is 123252253. The reversal of 123252229 is 922252321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 43864129 = 8910^2 + 6623^2 .

It is a cyclic number.

It is not a de Polignac number, because 123252229 - 2⁵ = 123252197 is a prime.

It is a super-2 number, since 2×123252229² = 30382223906936882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 123252197 and 123252206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123252299) 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, 61626114 + 61626115.

It is an arithmetic number, because the mean of its divisors is an integer number (61626115).

Almost surely, 2^123252229 is an apocalyptic number.

It is an amenable number.

123252229 is a deficient number, since it is larger than the sum of its proper divisors (1).

123252229 is an equidigital number, since it uses as much as digits as its factorization.

123252229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 123252229 is about 11101.9020442445. The cubic root of 123252229 is about 497.6586923360.

The spelling of 123252229 in words is "one hundred twenty-three million, two hundred fifty-two thousand, two hundred twenty-nine".