124099289 has 2 divisors, whose sum is σ = 124099290. Its totient is φ = 124099288.

The previous prime is 124099273. The next prime is 124099291. The reversal of 124099289 is 982990421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123654400 + 444889 = 11120^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 124099289 - 2⁴ = 124099273 is a prime.

Together with 124099291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124099229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62049644 + 62049645.

It is an arithmetic number, because the mean of its divisors is an integer number (62049645).

Almost surely, 2^124099289 is an apocalyptic number.

It is an amenable number.

124099289 is a deficient number, since it is larger than the sum of its proper divisors (1).

124099289 is an equidigital number, since it uses as much as digits as its factorization.

124099289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 124099289 is about 11139.9860412839. The cubic root of 124099289 is about 498.7961558447.

The spelling of 124099289 in words is "one hundred twenty-four million, ninety-nine thousand, two hundred eighty-nine".