1142103 has 12 divisors (see below), whose sum is σ = 1567608. Its totient is φ = 739440.

The previous prime is 1142083. The next prime is 1142129. The reversal of 1142103 is 3012411.

It is a happy number.

It is not a de Polignac number, because 1142103 - 2⁶ = 1142039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142003) 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, 14418 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (130634).

2^1142103 is an apocalyptic number.

1142103 is a deficient number, since it is larger than the sum of its proper divisors (425505).

1142103 is an frugal number, since it uses more digits than its factorization.

1142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 143 counting only the distinct ones).

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

The square root of 1142103 is about 1068.6921914190. The cubic root of 1142103 is about 104.5285896608.

Adding to 1142103 its reverse (3012411), we get a palindrome (4154514).

The spelling of 1142103 in words is "one million, one hundred forty-two thousand, one hundred three".