1141121 has 12 divisors (see below), whose sum is σ = 1257300. Its totient is φ = 1034208.

The previous prime is 1141109. The next prime is 1141123. The reversal of 1141121 is 1211411.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 442225 = 836^2 + 665^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1141121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10415 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (104775).

2^1141121 is an apocalyptic number.

It is an amenable number.

1141121 is a deficient number, since it is larger than the sum of its proper divisors (116179).

1141121 is a wasteful number, since it uses less digits than its factorization.

1141121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 157 counting only the distinct ones).

The product of its digits is 8, while the sum is 11.

The square root of 1141121 is about 1068.2326525622. The cubic root of 1141121 is about 104.4986225714.

Adding to 1141121 its reverse (1211411), we get a palindrome (2352532).

The spelling of 1141121 in words is "one million, one hundred forty-one thousand, one hundred twenty-one".