1131148 has 12 divisors (see below), whose sum is σ = 2013480. Its totient is φ = 555872.

The previous prime is 1131139. The next prime is 1131157. The reversal of 1131148 is 8411311.

It is an interprime number because it is at equal distance from previous prime (1131139) and next prime (1131157).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2161 + ... + 2632.

It is an arithmetic number, because the mean of its divisors is an integer number (167790).

2^1131148 is an apocalyptic number.

It is an amenable number.

1131148 is a deficient number, since it is larger than the sum of its proper divisors (882332).

1131148 is a wasteful number, since it uses less digits than its factorization.

1131148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856 (or 4854 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The square root of 1131148 is about 1063.5544179778. The cubic root of 1131148 is about 104.1933041921.

Adding to 1131148 its reverse (8411311), we get a palindrome (9542459).

The spelling of 1131148 in words is "one million, one hundred thirty-one thousand, one hundred forty-eight".