1268601 has 4 divisors (see below), whose sum is σ = 1691472. Its totient is φ = 845732.

The previous prime is 1268599. The next prime is 1268621. The reversal of 1268601 is 1068621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1268601 - 2¹ = 1268599 is a prime.

It is a super-3 number, since 3×1268601³ = 6124863338693057403, which contains 333 as substring.

It is a D-number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1268621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211431 + ... + 211436.

It is an arithmetic number, because the mean of its divisors is an integer number (422868).

2^1268601 is an apocalyptic number.

It is an amenable number.

1268601 is a deficient number, since it is larger than the sum of its proper divisors (422871).

1268601 is an equidigital number, since it uses as much as digits as its factorization.

1268601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422870.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1268601 is about 1126.3218900474. The cubic root of 1268601 is about 108.2534343148.

The spelling of 1268601 in words is "one million, two hundred sixty-eight thousand, six hundred one".