1111742 has 4 divisors (see below), whose sum is σ = 1667616. Its totient is φ = 555870.

The previous prime is 1111741. The next prime is 1111757. The reversal of 1111742 is 2471111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2471111 = 41 ⋅60271.

It is a self number, because there is not a number n which added to its sum of digits gives 1111742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277934 + ... + 277937.

It is an arithmetic number, because the mean of its divisors is an integer number (416904).

2^1111742 is an apocalyptic number.

1111742 is a deficient number, since it is larger than the sum of its proper divisors (555874).

1111742 is an equidigital number, since it uses as much as digits as its factorization.

1111742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555873.

The product of its digits is 56, while the sum is 17.

The square root of 1111742 is about 1054.3917677979. The cubic root of 1111742 is about 103.5940163407.

Adding to 1111742 its reverse (2471111), we get a palindrome (3582853).

The spelling of 1111742 in words is "one million, one hundred eleven thousand, seven hundred forty-two".