126736829 has 2 divisors, whose sum is σ = 126736830. Its totient is φ = 126736828.

The previous prime is 126736817. The next prime is 126736849. The reversal of 126736829 is 928637621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 18472804 = 10405^2 + 4298^2 .

It is a cyclic number.

It is not a de Polignac number, because 126736829 - 2⁸ = 126736573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126736829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126736849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63368414 + 63368415.

It is an arithmetic number, because the mean of its divisors is an integer number (63368415).

Almost surely, 2^126736829 is an apocalyptic number.

It is an amenable number.

126736829 is a deficient number, since it is larger than the sum of its proper divisors (1).

126736829 is an equidigital number, since it uses as much as digits as its factorization.

126736829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 126736829 is about 11257.7452893552. The cubic root of 126736829 is about 502.3051284344.

The spelling of 126736829 in words is "one hundred twenty-six million, seven hundred thirty-six thousand, eight hundred twenty-nine".