1427263 has 4 divisors (see below), whose sum is σ = 1431520. Its totient is φ = 1423008.

The previous prime is 1427233. The next prime is 1427281. The reversal of 1427263 is 3627241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3627241 = 433 ⋅8377.

It is a cyclic number.

It is not a de Polignac number, because 1427263 - 2⁹ = 1426751 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 4 + 2¹⁵ + 7⁷ + 2¹⁹ + 6⁶ + 3 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427233) 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, 1578 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (357880).

2^1427263 is an apocalyptic number.

1427263 is a deficient number, since it is larger than the sum of its proper divisors (4257).

1427263 is an equidigital number, since it uses as much as digits as its factorization.

1427263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256.

The product of its digits is 2016, while the sum is 25.

The square root of 1427263 is about 1194.6811290047. The cubic root of 1427263 is about 112.5903931937.

The spelling of 1427263 in words is "one million, four hundred twenty-seven thousand, two hundred sixty-three".