126301601 has 2 divisors, whose sum is σ = 126301602. Its totient is φ = 126301600.

The previous prime is 126301577. The next prime is 126301603. The reversal of 126301601 is 106103621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112869376 + 13432225 = 10624^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 126301601 - 2¹⁸ = 126039457 is a prime.

Together with 126301603, 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 (126301603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63150800 + 63150801.

It is an arithmetic number, because the mean of its divisors is an integer number (63150801).

Almost surely, 2^126301601 is an apocalyptic number.

It is an amenable number.

126301601 is a deficient number, since it is larger than the sum of its proper divisors (1).

126301601 is an equidigital number, since it uses as much as digits as its factorization.

126301601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 126301601 is about 11238.3985069048. The cubic root of 126301601 is about 501.7294789080.

The spelling of 126301601 in words is "one hundred twenty-six million, three hundred one thousand, six hundred one".