1420266 has 16 divisors (see below), whose sum is σ = 2883744. Its totient is φ = 466224.

The previous prime is 1420261. The next prime is 1420277. The reversal of 1420266 is 6620241.

It is a happy number.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1420261) 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 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (180234).

2^1420266 is an apocalyptic number.

1420266 is an abundant number, since it is smaller than the sum of its proper divisors (1463478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420266 is a wasteful number, since it uses less digits than its factorization.

1420266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1420266 is about 1191.7491346756. The cubic root of 1420266 is about 112.4061043699.

The spelling of 1420266 in words is "one million, four hundred twenty thousand, two hundred sixty-six".