1181241 has 6 divisors (see below), whose sum is σ = 1706250. Its totient is φ = 787488.

The previous prime is 1181237. The next prime is 1181263. The reversal of 1181241 is 1421811.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 189225 = 996^2 + 435^2 .

It is not a de Polignac number, because 1181241 - 2² = 1181237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1181281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65616 + ... + 65633.

It is an arithmetic number, because the mean of its divisors is an integer number (284375).

2^1181241 is an apocalyptic number.

It is an amenable number.

1181241 is a deficient number, since it is larger than the sum of its proper divisors (525009).

1181241 is a wasteful number, since it uses less digits than its factorization.

1181241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131255 (or 131252 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1181241 is about 1086.8491155630. The cubic root of 1181241 is about 105.7092125118.

The spelling of 1181241 in words is "one million, one hundred eighty-one thousand, two hundred forty-one".