1012263 has 32 divisors (see below), whose sum is σ = 1689600. Its totient is φ = 526176.

The previous prime is 1012261. The next prime is 1012267. The reversal of 1012263 is 3622101.

It is not a de Polignac number, because 1012263 - 2¹ = 1012261 is a prime.

1012263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17128 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (52800).

2^1012263 is an apocalyptic number.

1012263 is a deficient number, since it is larger than the sum of its proper divisors (677337).

1012263 is a wasteful number, since it uses less digits than its factorization.

1012263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012263 is about 1006.1128167358. The cubic root of 1012263 is about 100.4071070560.

Adding to 1012263 its reverse (3622101), we get a palindrome (4634364).

It can be divided in two parts, 1012 and 263, that added together give a triangular number (1275 = T₅₀).

The spelling of 1012263 in words is "one million, twelve thousand, two hundred sixty-three".