126123293 has 2 divisors, whose sum is σ = 126123294. Its totient is φ = 126123292.

The previous prime is 126123287. The next prime is 126123299. The reversal of 126123293 is 392321621.

It is a balanced prime because it is at equal distance from previous prime (126123287) and next prime (126123299).

It can be written as a sum of positive squares in only one way, i.e., 120934009 + 5189284 = 10997^2 + 2278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126123293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126123299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63061646 + 63061647.

It is an arithmetic number, because the mean of its divisors is an integer number (63061647).

Almost surely, 2^126123293 is an apocalyptic number.

It is an amenable number.

126123293 is a deficient number, since it is larger than the sum of its proper divisors (1).

126123293 is an equidigital number, since it uses as much as digits as its factorization.

126123293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 126123293 is about 11230.4627242158. The cubic root of 126123293 is about 501.4932599101.

The spelling of 126123293 in words is "one hundred twenty-six million, one hundred twenty-three thousand, two hundred ninety-three".