103712142 has 32 divisors (see below), whose sum is σ = 210532608. Its totient is φ = 34056576.

The previous prime is 103712117. The next prime is 103712179. The reversal of 103712142 is 241217301.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 174598 + ... + 175190.

It is an arithmetic number, because the mean of its divisors is an integer number (6579144).

Almost surely, 2^103712142 is an apocalyptic number.

103712142 is an abundant number, since it is smaller than the sum of its proper divisors (106820466).

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

103712142 is a wasteful number, since it uses less digits than its factorization.

103712142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 103712142 is about 10183.9158480420. The cubic root of 103712142 is about 469.8326580957.

Adding to 103712142 its reverse (241217301), we get a palindrome (344929443).

The spelling of 103712142 in words is "one hundred three million, seven hundred twelve thousand, one hundred forty-two".