1011263 has 8 divisors (see below), whose sum is σ = 1112400. Its totient is φ = 911680.

The previous prime is 1011239. The next prime is 1011271. The reversal of 1011263 is 3621101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011263 - 2¹⁴ = 994879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (139050).

2^1011263 is an apocalyptic number.

1011263 is a deficient number, since it is larger than the sum of its proper divisors (101137).

1011263 is a wasteful number, since it uses less digits than its factorization.

1011263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1011263 is about 1005.6157317783. The cubic root of 1011263 is about 100.3740325853.

Adding to 1011263 its reverse (3621101), we get a palindrome (4632364).

The spelling of 1011263 in words is "one million, eleven thousand, two hundred sixty-three".