102112417 has 8 divisors (see below), whose sum is σ = 112012992. Its totient is φ = 92314800.

The previous prime is 102112379. The next prime is 102112429. The reversal of 102112417 is 714211201.

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 102112417 - 2¹¹ = 102110369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102112394 and 102112403.

It is not an unprimeable number, because it can be changed into a prime (102112447) by changing a digit.

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, 23653 + ... + 27634.

It is an arithmetic number, because the mean of its divisors is an integer number (14001624).

Almost surely, 2^102112417 is an apocalyptic number.

It is an amenable number.

102112417 is a deficient number, since it is larger than the sum of its proper divisors (9900575).

102112417 is a wasteful number, since it uses less digits than its factorization.

102112417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51479.

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

The square root of 102112417 is about 10105.0688765589. The cubic root of 102112417 is about 467.4044598724.

Adding to 102112417 its reverse (714211201), we get a palindrome (816323618).

The spelling of 102112417 in words is "one hundred two million, one hundred twelve thousand, four hundred seventeen".