1131274 has 4 divisors (see below), whose sum is σ = 1696914. Its totient is φ = 565636.

The previous prime is 1131271. The next prime is 1131307. The reversal of 1131274 is 4721311.

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., 874225 + 257049 = 935^2 + 507^2 .

It is not an unprimeable number, because it can be changed into a prime (1131271) 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, 282817 + ... + 282820.

2^1131274 is an apocalyptic number.

1131274 is a deficient number, since it is larger than the sum of its proper divisors (565640).

1131274 is an equidigital number, since it uses as much as digits as its factorization.

1131274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565639.

The product of its digits is 168, while the sum is 19.

The square root of 1131274 is about 1063.6136516612. The cubic root of 1131274 is about 104.1971727896.

Adding to 1131274 its reverse (4721311), we get a palindrome (5852585).

The spelling of 1131274 in words is "one million, one hundred thirty-one thousand, two hundred seventy-four".