102250201 has 4 divisors (see below), whose sum is σ = 105776100. Its totient is φ = 98724304.

The previous prime is 102250193. The next prime is 102250217. The reversal of 102250201 is 102052201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102052201 = 43 ⋅2373307.

It can be written as a sum of positive squares in 2 ways, for example, as 25512601 + 76737600 = 5051^2 + 8760^2 .

It is a cyclic number.

It is not a de Polignac number, because 102250201 - 2³ = 102250193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102250271) 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 3 ways as a sum of consecutive naturals, for example, 1762906 + ... + 1762963.

It is an arithmetic number, because the mean of its divisors is an integer number (26444025).

Almost surely, 2^102250201 is an apocalyptic number.

It is an amenable number.

102250201 is a deficient number, since it is larger than the sum of its proper divisors (3525899).

102250201 is an equidigital number, since it uses as much as digits as its factorization.

102250201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525898.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 102250201 is about 10111.8841468838. The cubic root of 102250201 is about 467.6145940022.

The spelling of 102250201 in words is "one hundred two million, two hundred fifty thousand, two hundred one".