102602005 has 8 divisors (see below), whose sum is σ = 134315424. Its totient is φ = 74619600.

The previous prime is 102601981. The next prime is 102602039. The reversal of 102602005 is 500206201.

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 102602005 - 2⁵ = 102601973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102602005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932691 + ... + 932800.

It is an arithmetic number, because the mean of its divisors is an integer number (16789428).

Almost surely, 2^102602005 is an apocalyptic number.

It is an amenable number.

102602005 is a deficient number, since it is larger than the sum of its proper divisors (31713419).

102602005 is a wasteful number, since it uses less digits than its factorization.

102602005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865507.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102602005 is about 10129.2647808220. The cubic root of 102602005 is about 468.1502746895.

Adding to 102602005 its reverse (500206201), we get a palindrome (602808206).

The spelling of 102602005 in words is "one hundred two million, six hundred two thousand, five".