102240415 has 8 divisors (see below), whose sum is σ = 122744160. Its totient is φ = 81755232.

The previous prime is 102240407. The next prime is 102240421. The reversal of 102240415 is 514042201.

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

It is a cyclic number.

It is not a de Polignac number, because 102240415 - 2³ = 102240407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102240392 and 102240401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15201 + ... + 20869.

It is an arithmetic number, because the mean of its divisors is an integer number (15343020).

Almost surely, 2^102240415 is an apocalyptic number.

102240415 is a deficient number, since it is larger than the sum of its proper divisors (20503745).

102240415 is an equidigital number, since it uses as much as digits as its factorization.

102240415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 102240415 is about 10111.4002492236. The cubic root of 102240415 is about 467.5996756210.

Adding to 102240415 its reverse (514042201), we get a palindrome (616282616).

The spelling of 102240415 in words is "one hundred two million, two hundred forty thousand, four hundred fifteen".