126869801 has 2 divisors, whose sum is σ = 126869802. Its totient is φ = 126869800.

The previous prime is 126869797. The next prime is 126869803. The reversal of 126869801 is 108968621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64080025 + 62789776 = 8005^2 + 7924^2 .

It is a cyclic number.

It is not a de Polignac number, because 126869801 - 2² = 126869797 is a prime.

Together with 126869803, 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 (126869803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63434900 + 63434901.

It is an arithmetic number, because the mean of its divisors is an integer number (63434901).

Almost surely, 2^126869801 is an apocalyptic number.

It is an amenable number.

126869801 is a deficient number, since it is larger than the sum of its proper divisors (1).

126869801 is an equidigital number, since it uses as much as digits as its factorization.

126869801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 126869801 is about 11263.6495417782. The cubic root of 126869801 is about 502.4807395075.

The spelling of 126869801 in words is "one hundred twenty-six million, eight hundred sixty-nine thousand, eight hundred one".