1259422 has 4 divisors (see below), whose sum is σ = 1889136. Its totient is φ = 629710.

The previous prime is 1259413. The next prime is 1259429. The reversal of 1259422 is 2249521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2249521 = 257 ⋅8753.

It is a super-2 number, since 2×1259422² = 3172287548168, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259429) 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 as a sum of consecutive naturals, namely, 314854 + ... + 314857.

It is an arithmetic number, because the mean of its divisors is an integer number (472284).

2^1259422 is an apocalyptic number.

1259422 is a deficient number, since it is larger than the sum of its proper divisors (629714).

1259422 is an equidigital number, since it uses as much as digits as its factorization.

1259422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629713.

The product of its digits is 1440, while the sum is 25.

The square root of 1259422 is about 1122.2397248360. The cubic root of 1259422 is about 107.9917117554.

Subtracting 1259422 from its reverse (2249521), we obtain a palindrome (990099).

It can be divided in two parts, 1259 and 422, that added together give a square (1681 = 41²).

The spelling of 1259422 in words is "one million, two hundred fifty-nine thousand, four hundred twenty-two".