1131141 has 16 divisors (see below), whose sum is σ = 1663488. Its totient is φ = 678000.

The previous prime is 1131139. The next prime is 1131157. The reversal of 1131141 is 1411311.

1131141 = 54² + 55² + ... + 152².

It is not a de Polignac number, because 1131141 - 2¹ = 1131139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131121) 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 in 15 ways as a sum of consecutive naturals, for example, 4870 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (103968).

2^1131141 is an apocalyptic number.

1131141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1131141 is a deficient number, since it is larger than the sum of its proper divisors (532347).

1131141 is a wasteful number, since it uses less digits than its factorization.

1131141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 12, while the sum is 12.

The square root of 1131141 is about 1063.5511271208. The cubic root of 1131141 is about 104.1930892616.

Adding to 1131141 its reverse (1411311), we get a palindrome (2542452).

The spelling of 1131141 in words is "one million, one hundred thirty-one thousand, one hundred forty-one".