102081219 has 8 divisors (see below), whose sum is σ = 136708800. Its totient is φ = 67753896.

The previous prime is 102081211. The next prime is 102081223. The reversal of 102081219 is 912180201.

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

It is not a de Polignac number, because 102081219 - 2³ = 102081211 is a prime.

It is a super-2 number, since 2×102081219² = 20841150545051922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102081211) 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, 74269 + ... + 75630.

It is an arithmetic number, because the mean of its divisors is an integer number (17088600).

Almost surely, 2^102081219 is an apocalyptic number.

102081219 is a deficient number, since it is larger than the sum of its proper divisors (34627581).

102081219 is a wasteful number, since it uses less digits than its factorization.

102081219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150129.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 102081219 is about 10103.5250779122. The cubic root of 102081219 is about 467.3568536162.

The spelling of 102081219 in words is "one hundred two million, eighty-one thousand, two hundred nineteen".