1111142 has 8 divisors (see below), whose sum is σ = 1679832. Its totient is φ = 551200.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111142 is 2411111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859 + ... + 2382.

It is an arithmetic number, because the mean of its divisors is an integer number (209979).

2^1111142 is an apocalyptic number.

1111142 is a deficient number, since it is larger than the sum of its proper divisors (568690).

1111142 is a wasteful number, since it uses less digits than its factorization.

1111142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374.

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

The square root of 1111142 is about 1054.1072051741. The cubic root of 1111142 is about 103.5753766458.

Adding to 1111142 its reverse (2411111), we get a palindrome (3522253).

The spelling of 1111142 in words is "one million, one hundred eleven thousand, one hundred forty-two".