1131348 has 24 divisors (see below), whose sum is σ = 2731680. Its totient is φ = 364000.

The previous prime is 1131343. The next prime is 1131353. The reversal of 1131348 is 8431311.

It is an interprime number because it is at equal distance from previous prime (1131343) and next prime (1131353).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131341) 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, 1278 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (113820).

2^1131348 is an apocalyptic number.

It is an amenable number.

1131348 is an abundant number, since it is smaller than the sum of its proper divisors (1600332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131348 is a wasteful number, since it uses less digits than its factorization.

1131348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3285 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 1131348 is about 1063.6484381599. The cubic root of 1131348 is about 104.1994446891.

Adding to 1131348 its reverse (8431311), we get a palindrome (9562659).

The spelling of 1131348 in words is "one million, one hundred thirty-one thousand, three hundred forty-eight".