102001305 has 16 divisors (see below), whose sum is σ = 186516864. Its totient is φ = 46629120.

The previous prime is 102001279. The next prime is 102001313. The reversal of 102001305 is 503100201.

It is not a de Polignac number, because 102001305 - 2¹³ = 101993113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485616 + ... + 485825.

It is an arithmetic number, because the mean of its divisors is an integer number (11657304).

Almost surely, 2^102001305 is an apocalyptic number.

102001305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102001305 is a deficient number, since it is larger than the sum of its proper divisors (84515559).

102001305 is an equidigital number, since it uses as much as digits as its factorization.

102001305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971456.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 102001305 is about 10099.5695452826. The cubic root of 102001305 is about 467.2348654378.

Adding to 102001305 its reverse (503100201), we get a palindrome (605101506).

The spelling of 102001305 in words is "one hundred two million, one thousand, three hundred five".