102908201 has 6 divisors (see below), whose sum is σ = 113114106. Its totient is φ = 93552800.

The previous prime is 102908177. The next prime is 102908203. The reversal of 102908201 is 102809201.

It can be written as a sum of positive squares in only one way, i.e., 74563225 + 28344976 = 8635^2 + 5324^2 .

It is not a de Polignac number, because 102908201 - 2¹⁰ = 102907177 is a prime.

It is a super-3 number, since 3×102908201³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102908203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425120 + ... + 425361.

It is an arithmetic number, because the mean of its divisors is an integer number (18852351).

Almost surely, 2^102908201 is an apocalyptic number.

102908201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102908201 is a deficient number, since it is larger than the sum of its proper divisors (10205905).

102908201 is an equidigital number, since it uses as much as digits as its factorization.

102908201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850503 (or 850492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 102908201 is about 10144.3679448253. The cubic root of 102908201 is about 468.6155137509.

The spelling of 102908201 in words is "one hundred two million, nine hundred eight thousand, two hundred one".