1103542 has 16 divisors (see below), whose sum is σ = 1827072. Its totient is φ = 495720.

The previous prime is 1103533. The next prime is 1103549. The reversal of 1103542 is 2453011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (114192).

2^1103542 is an apocalyptic number.

1103542 is a deficient number, since it is larger than the sum of its proper divisors (723530).

1103542 is a wasteful number, since it uses less digits than its factorization.

1103542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1103542 is about 1050.4960732911. The cubic root of 1103542 is about 103.3386909004.

Adding to 1103542 its reverse (2453011), we get a palindrome (3556553).

The spelling of 1103542 in words is "one million, one hundred three thousand, five hundred forty-two".