102401517 has 8 divisors (see below), whose sum is σ = 136589824. Its totient is φ = 68240448.

The previous prime is 102401513. The next prime is 102401539. The reversal of 102401517 is 715104201.

It is a happy number.

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

It is not a de Polignac number, because 102401517 - 2² = 102401513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102401493 and 102401502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102401513) 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, 4788 + ... + 15090.

It is an arithmetic number, because the mean of its divisors is an integer number (17073728).

Almost surely, 2^102401517 is an apocalyptic number.

It is an amenable number.

102401517 is a deficient number, since it is larger than the sum of its proper divisors (34188307).

102401517 is a wasteful number, since it uses less digits than its factorization.

102401517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13619.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 102401517 is about 10119.3634681239. The cubic root of 102401517 is about 467.8451483812.

Adding to 102401517 its reverse (715104201), we get a palindrome (817505718).

The spelling of 102401517 in words is "one hundred two million, four hundred one thousand, five hundred seventeen".