102117214 has 4 divisors (see below), whose sum is σ = 153175824. Its totient is φ = 51058606.

The previous prime is 102117209. The next prime is 102117227. The reversal of 102117214 is 412711201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412711201 = 7 ⋅58958743.

It is a junction number, because it is equal to n+sod(n) for n = 102117191 and 102117200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25529302 + ... + 25529305.

It is an arithmetic number, because the mean of its divisors is an integer number (38293956).

Almost surely, 2^102117214 is an apocalyptic number.

102117214 is a deficient number, since it is larger than the sum of its proper divisors (51058610).

102117214 is an equidigital number, since it uses as much as digits as its factorization.

102117214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51058609.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 102117214 is about 10105.3062298972. The cubic root of 102117214 is about 467.4117789434.

Adding to 102117214 its reverse (412711201), we get a palindrome (514828415).

The spelling of 102117214 in words is "one hundred two million, one hundred seventeen thousand, two hundred fourteen".