123133249 has 2 divisors, whose sum is σ = 123133250. Its totient is φ = 123133248.

The previous prime is 123133211. The next prime is 123133253. The reversal of 123133249 is 942331321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82083600 + 41049649 = 9060^2 + 6407^2 .

It is a cyclic number.

It is not a de Polignac number, because 123133249 - 2⁷ = 123133121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123133259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61566624 + 61566625.

It is an arithmetic number, because the mean of its divisors is an integer number (61566625).

Almost surely, 2^123133249 is an apocalyptic number.

It is an amenable number.

123133249 is a deficient number, since it is larger than the sum of its proper divisors (1).

123133249 is an equidigital number, since it uses as much as digits as its factorization.

123133249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 123133249 is about 11096.5422091749. The cubic root of 123133249 is about 497.4985045787.

The spelling of 123133249 in words is "one hundred twenty-three million, one hundred thirty-three thousand, two hundred forty-nine".