215103 has 8 divisors (see below), whose sum is σ = 327808. Its totient is φ = 122904.

The previous prime is 215087. The next prime is 215123. The reversal of 215103 is 301512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215103 - 2⁴ = 215087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215123) 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, 5101 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (40976).

2²¹⁵¹⁰³ is an apocalyptic number.

215103 is a deficient number, since it is larger than the sum of its proper divisors (112705).

215103 is a wasteful number, since it uses less digits than its factorization.

215103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 215103 is about 463.7919792321. The cubic root of 215103 is about 59.9168292080.

Adding to 215103 its reverse (301512), we get a palindrome (516615).

The spelling of 215103 in words is "two hundred fifteen thousand, one hundred three".