142112103 has 16 divisors (see below), whose sum is σ = 220972800. Its totient is φ = 81206328.

The previous prime is 142112099. The next prime is 142112107. The reversal of 142112103 is 301211241.

It is an interprime number because it is at equal distance from previous prime (142112099) and next prime (142112107).

It is not a de Polignac number, because 142112103 - 2² = 142112099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142112107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68025 + ... + 70082.

It is an arithmetic number, because the mean of its divisors is an integer number (13810800).

Almost surely, 2^142112103 is an apocalyptic number.

142112103 is a deficient number, since it is larger than the sum of its proper divisors (78860697).

142112103 is an equidigital number, since it uses as much as digits as its factorization.

142112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138131 (or 138117 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 142112103 is about 11921.0780972192. The cubic root of 142112103 is about 521.8475979397.

Adding to 142112103 its reverse (301211241), we get a palindrome (443323344).

The spelling of 142112103 in words is "one hundred forty-two million, one hundred twelve thousand, one hundred three".