1103142 has 16 divisors (see below), whose sum is σ = 2248560. Its totient is φ = 360672.

The previous prime is 1103129. The next prime is 1103143. The reversal of 1103142 is 2413011.

It is a happy number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (140535).

2^1103142 is an apocalyptic number.

1103142 is an abundant number, since it is smaller than the sum of its proper divisors (1145418).

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

1103142 is a wasteful number, since it uses less digits than its factorization.

1103142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1103142 is about 1050.3056697933. The cubic root of 1103142 is about 103.3262036935.

Adding to 1103142 its reverse (2413011), we get a palindrome (3516153).

The spelling of 1103142 in words is "one million, one hundred three thousand, one hundred forty-two".