1141156 has 6 divisors (see below), whose sum is σ = 1997030. Its totient is φ = 570576.

The previous prime is 1141139. The next prime is 1141171. The reversal of 1141156 is 6511411.

It can be written as a sum of positive squares in only one way, i.e., 1032256 + 108900 = 1016^2 + 330^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142641 + ... + 142648.

2^1141156 is an apocalyptic number.

It is an amenable number.

1141156 is a deficient number, since it is larger than the sum of its proper divisors (855874).

1141156 is a wasteful number, since it uses less digits than its factorization.

1141156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285293 (or 285291 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 1141156 is about 1068.2490346357. The cubic root of 1141156 is about 104.4996909402.

Adding to 1141156 its reverse (6511411), we get a palindrome (7652567).

The spelling of 1141156 in words is "one million, one hundred forty-one thousand, one hundred fifty-six".