215102 has 8 divisors (see below), whose sum is σ = 325512. Its totient is φ = 106600.

The previous prime is 215087. The next prime is 215123. The reversal of 215102 is 201512.

215102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

215102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (40689).

2²¹⁵¹⁰² is an apocalyptic number.

215102 is a deficient number, since it is larger than the sum of its proper divisors (110410).

215102 is a wasteful number, since it uses less digits than its factorization.

215102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 215102 is about 463.7909011613. The cubic root of 215102 is about 59.9167363581.

Adding to 215102 its reverse (201512), we get a palindrome (416614).

It can be divided in two parts, 21510 and 2, that added together give a palindrome (21512).

The spelling of 215102 in words is "two hundred fifteen thousand, one hundred two".