1280026 has 16 divisors (see below), whose sum is σ = 2122848. Its totient is φ = 574000.

The previous prime is 1280023. The next prime is 1280101. The reversal of 1280026 is 6200821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1279985 and 1280012.

It is not an unprimeable number, because it can be changed into a prime (1280023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (132678).

2^1280026 is an apocalyptic number.

1280026 is a deficient number, since it is larger than the sum of its proper divisors (842822).

1280026 is a wasteful number, since it uses less digits than its factorization.

1280026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1280026 is about 1131.3823403253. The cubic root of 1280026 is about 108.5774398136.

Adding to 1280026 its reverse (6200821), we get a palindrome (7480847).

The spelling of 1280026 in words is "one million, two hundred eighty thousand, twenty-six".