1111842 has 24 divisors (see below), whose sum is σ = 2536560. Its totient is φ = 351000.

The previous prime is 1111841. The next prime is 1111853. The reversal of 1111842 is 2481111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1111841) 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, 1284 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (105690).

2^1111842 is an apocalyptic number.

1111842 is an abundant number, since it is smaller than the sum of its proper divisors (1424718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111842 is a wasteful number, since it uses less digits than its factorization.

1111842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3275 counting only the distinct ones).

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

The square root of 1111842 is about 1054.4391874357. The cubic root of 1111842 is about 103.5971223044.

Adding to 1111842 its reverse (2481111), we get a palindrome (3592953).

It can be divided in two parts, 1111 and 842, that added together give a triangular number (1953 = T₆₂).

The spelling of 1111842 in words is "one million, one hundred eleven thousand, eight hundred forty-two".