1131106 has 4 divisors (see below), whose sum is σ = 1696662. Its totient is φ = 565552.

The previous prime is 1131103. The next prime is 1131113. The reversal of 1131106 is 6011311.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 576081 + 555025 = 759^2 + 745^2 .

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1131103) 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, 282775 + ... + 282778.

2^1131106 is an apocalyptic number.

1131106 is a deficient number, since it is larger than the sum of its proper divisors (565556).

1131106 is an equidigital number, since it uses as much as digits as its factorization.

1131106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565555.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1131106 is about 1063.5346726835. The cubic root of 1131106 is about 104.1920145958.

Adding to 1131106 its reverse (6011311), we get a palindrome (7142417).

The spelling of 1131106 in words is "one million, one hundred thirty-one thousand, one hundred six".