103127 has 4 divisors (see below), whose sum is σ = 103776. Its totient is φ = 102480.
The previous prime is 103123. The next prime is 103141. The reversal of 103127 is 721301.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 721301 = 7 ⋅103043.
It is a cyclic number.
It is not a de Polignac number, because 103127 - 22 = 103123 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103127.
It is not an unprimeable number, because it can be changed into a prime (103123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 464.
It is an arithmetic number, because the mean of its divisors is an integer number (25944).
2103127 is an apocalyptic number.
103127 is a deficient number, since it is larger than the sum of its proper divisors (649).
103127 is an equidigital number, since it uses as much as digits as its factorization.
103127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648.
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 103127 is about 321.1339284473. The cubic root of 103127 is about 46.8947395382.
Multiplying 103127 by its product of nonzero digits (42), we get a palindrome (4331334).
Adding to 103127 its reverse (721301), we get a palindrome (824428).
The spelling of 103127 in words is "one hundred three thousand, one hundred twenty-seven", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •