1111141 has 6 divisors (see below), whose sum is σ = 1140626. Its totient is φ = 1082400.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111141 is 1411111.

It can be written as a sum of positive squares in 3 ways, for example, as 225 + 1110916 = 15^2 + 1054^2 .

It is not a de Polignac number, because 1111141 - 2⁷ = 1111013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111151) 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, 1351 + ... + 2011.

2^1111141 is an apocalyptic number.

It is an amenable number.

1111141 is a deficient number, since it is larger than the sum of its proper divisors (29485).

1111141 is an frugal number, since it uses more digits than its factorization.

1111141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 702 counting only the distinct ones).

The product of its digits is 4, while the sum is 10.

The square root of 1111141 is about 1054.1067308390. The cubic root of 1111141 is about 103.5753455741.

Adding to 1111141 its reverse (1411111), we get a palindrome (2522252).

It can be divided in two parts, 1111 and 141, that multiplied together give a palindrome (156651).

The spelling of 1111141 in words is "one million, one hundred eleven thousand, one hundred forty-one".