126719741 has 2 divisors, whose sum is σ = 126719742. Its totient is φ = 126719740.

The previous prime is 126719699. The next prime is 126719743. The reversal of 126719741 is 147917621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126112900 + 606841 = 11230^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 126719741 - 2²² = 122525437 is a prime.

Together with 126719743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126719695 and 126719704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126719743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63359870 + 63359871.

It is an arithmetic number, because the mean of its divisors is an integer number (63359871).

Almost surely, 2^126719741 is an apocalyptic number.

It is an amenable number.

126719741 is a deficient number, since it is larger than the sum of its proper divisors (1).

126719741 is an equidigital number, since it uses as much as digits as its factorization.

126719741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 126719741 is about 11256.9863196150. The cubic root of 126719741 is about 502.2825520560.

The spelling of 126719741 in words is "one hundred twenty-six million, seven hundred nineteen thousand, seven hundred forty-one".