1280601 has 12 divisors (see below), whose sum is σ = 2114112. Its totient is φ = 731736.

The previous prime is 1280597. The next prime is 1280603. The reversal of 1280601 is 1060821.

It is not a de Polignac number, because 1280601 - 2² = 1280597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1280603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10101 + ... + 10226.

It is an arithmetic number, because the mean of its divisors is an integer number (176176).

2^1280601 is an apocalyptic number.

It is an amenable number.

1280601 is a deficient number, since it is larger than the sum of its proper divisors (833511).

1280601 is a wasteful number, since it uses less digits than its factorization.

1280601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340 (or 20337 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1280601 is about 1131.6364257128. The cubic root of 1280601 is about 108.5936953901.

It can be divided in two parts, 1280 and 601, that added together give a palindrome (1881).

The spelling of 1280601 in words is "one million, two hundred eighty thousand, six hundred one".