1426263 has 4 divisors (see below), whose sum is σ = 1901688. Its totient is φ = 950840.

The previous prime is 1426247. The next prime is 1426277. The reversal of 1426263 is 3626241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1426263 - 2⁴ = 1426247 is a prime.

It is a super-2 number, since 2×1426263² = 4068452290338, which contains 22 as substring.

It is a D-number.

1426263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237708 + ... + 237713.

It is an arithmetic number, because the mean of its divisors is an integer number (475422).

2^1426263 is an apocalyptic number.

1426263 is a deficient number, since it is larger than the sum of its proper divisors (475425).

1426263 is an equidigital number, since it uses as much as digits as its factorization.

1426263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475424.

The product of its digits is 1728, while the sum is 24.

The square root of 1426263 is about 1194.2625339514. The cubic root of 1426263 is about 112.5640918746.

The spelling of 1426263 in words is "one million, four hundred twenty-six thousand, two hundred sixty-three".