263122 has 4 divisors (see below), whose sum is σ = 394686. Its totient is φ = 131560.

The previous prime is 263119. The next prime is 263129. The reversal of 263122 is 221362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221362 = 2 ⋅110681.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 52441 = 459^2 + 229^2 .

It is a d-powerful number, because it can be written as 2⁵ + 6³ + 1 + 3⁶ + 2¹⁷ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 263096 and 263105.

It is not an unprimeable number, because it can be changed into a prime (263129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65779 + ... + 65782.

2²⁶³¹²² is an apocalyptic number.

263122 is a deficient number, since it is larger than the sum of its proper divisors (131564).

263122 is a wasteful number, since it uses less digits than its factorization.

263122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131563.

The product of its digits is 144, while the sum is 16.

The square root of 263122 is about 512.9541889877. The cubic root of 263122 is about 64.0794910711.

Adding to 263122 its reverse (221362), we get a palindrome (484484).

The spelling of 263122 in words is "two hundred sixty-three thousand, one hundred twenty-two".