1103742 has 24 divisors (see below), whose sum is σ = 2532816. Its totient is φ = 346176.

The previous prime is 1103737. The next prime is 1103749. The reversal of 1103742 is 2473011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103749) 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 in 11 ways as a sum of consecutive naturals, for example, 1498 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (105534).

2^1103742 is an apocalyptic number.

1103742 is an abundant number, since it is smaller than the sum of its proper divisors (1429074).

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

1103742 is a wasteful number, since it uses less digits than its factorization.

1103742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632 (or 3629 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1103742 is about 1050.5912620996. The cubic root of 1103742 is about 103.3449333723.

Adding to 1103742 its reverse (2473011), we get a palindrome (3576753).

The spelling of 1103742 in words is "one million, one hundred three thousand, seven hundred forty-two".