1426243 has 12 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 1127952.

The previous prime is 1426237. The next prime is 1426247. The reversal of 1426243 is 3426241.

It is a happy number.

It is not a de Polignac number, because 1426243 - 2⁵ = 1426211 is a prime.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1426247) 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, 483 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (148960).

2^1426243 is an apocalyptic number.

1426243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1426243 is a deficient number, since it is larger than the sum of its proper divisors (361277).

1426243 is a wasteful number, since it uses less digits than its factorization.

1426243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2259 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1426243 is about 1194.2541605538. The cubic root of 1426243 is about 112.5635657229.

The spelling of 1426243 in words is "one million, four hundred twenty-six thousand, two hundred forty-three".