1131063 has 4 divisors (see below), whose sum is σ = 1508088. Its totient is φ = 754040.

The previous prime is 1131049. The next prime is 1131077. The reversal of 1131063 is 3601311.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1131049) and next prime (1131077).

It is a cyclic number.

It is not a de Polignac number, because 1131063 - 2⁴ = 1131047 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131023) 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, 188508 + ... + 188513.

It is an arithmetic number, because the mean of its divisors is an integer number (377022).

2^1131063 is an apocalyptic number.

1131063 is a deficient number, since it is larger than the sum of its proper divisors (377025).

1131063 is an equidigital number, since it uses as much as digits as its factorization.

1131063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377024.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1131063 is about 1063.5144568834. The cubic root of 1131063 is about 104.1906942617.

Adding to 1131063 its reverse (3601311), we get a palindrome (4732374).

It can be divided in two parts, 113 and 1063, that added together give a triangular number (1176 = T₄₈).

The spelling of 1131063 in words is "one million, one hundred thirty-one thousand, sixty-three".