126241109 has 2 divisors, whose sum is σ = 126241110. Its totient is φ = 126241108.

The previous prime is 126241097. The next prime is 126241121. The reversal of 126241109 is 901142621.

It is a balanced prime because it is at equal distance from previous prime (126241097) and next prime (126241121).

It can be written as a sum of positive squares in only one way, i.e., 97318225 + 28922884 = 9865^2 + 5378^2 .

It is a cyclic number.

It is not a de Polignac number, because 126241109 - 2²⁰ = 125192533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126241139) 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, 63120554 + 63120555.

It is an arithmetic number, because the mean of its divisors is an integer number (63120555).

Almost surely, 2^126241109 is an apocalyptic number.

It is an amenable number.

126241109 is a deficient number, since it is larger than the sum of its proper divisors (1).

126241109 is an equidigital number, since it uses as much as digits as its factorization.

126241109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 126241109 is about 11235.7068758490. The cubic root of 126241109 is about 501.6493652062.

The spelling of 126241109 in words is "one hundred twenty-six million, two hundred forty-one thousand, one hundred nine".