1141256 has 8 divisors (see below), whose sum is σ = 2139870. Its totient is φ = 570624.

The previous prime is 1141253. The next prime is 1141267. The reversal of 1141256 is 6521411.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 4900 = 1066^2 + 70^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1141253) 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, 71321 + ... + 71336.

2^1141256 is an apocalyptic number.

It is an amenable number.

1141256 is a deficient number, since it is larger than the sum of its proper divisors (998614).

1141256 is a wasteful number, since it uses less digits than its factorization.

1141256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142663 (or 142659 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 1141256 is about 1068.2958391756. The cubic root of 1141256 is about 104.5027433023.

Adding to 1141256 its reverse (6521411), we get a palindrome (7662667).

The spelling of 1141256 in words is "one million, one hundred forty-one thousand, two hundred fifty-six".