102609601 has 12 divisors (see below), whose sum is σ = 109573632. Its totient is φ = 96036776.

The previous prime is 102609599. The next prime is 102609623. The reversal of 102609601 is 106906201.

It is not a de Polignac number, because 102609601 - 2¹ = 102609599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102609701) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22800 + ... + 26926.

It is an arithmetic number, because the mean of its divisors is an integer number (9131136).

Almost surely, 2^102609601 is an apocalyptic number.

It is an amenable number.

102609601 is a deficient number, since it is larger than the sum of its proper divisors (6964031).

102609601 is an equidigital number, since it uses as much as digits as its factorization.

102609601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 102609601 is about 10129.6397270584. The cubic root of 102609601 is about 468.1618273609.

The spelling of 102609601 in words is "one hundred two million, six hundred nine thousand, six hundred one".