1296601 has 2 divisors, whose sum is σ = 1296602. Its totient is φ = 1296600.

The previous prime is 1296593. The next prime is 1296613. The reversal of 1296601 is 1066921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 30976 = 1125^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296601 - 2³ = 1296593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1296101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648300 + 648301.

It is an arithmetic number, because the mean of its divisors is an integer number (648301).

2^1296601 is an apocalyptic number.

It is an amenable number.

1296601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296601 is an equidigital number, since it uses as much as digits as its factorization.

1296601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1296601 is about 1138.6838894092. The cubic root of 1296601 is about 109.0440861981.

The spelling of 1296601 in words is "one million, two hundred ninety-six thousand, six hundred one".