102443201 has 16 divisors (see below), whose sum is σ = 119938944. Its totient is φ = 85688064.

The previous prime is 102443197. The next prime is 102443213. The reversal of 102443201 is 102344201.

It is not a de Polignac number, because 102443201 - 2² = 102443197 is a prime.

It is a super-2 number, since 2×102443201² = 20989218862252802, which contains 22 as substring.

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 102443201.

It is not an unprimeable number, because it can be changed into a prime (102443261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52031 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (7496184).

Almost surely, 2^102443201 is an apocalyptic number.

It is an amenable number.

102443201 is a deficient number, since it is larger than the sum of its proper divisors (17495743).

102443201 is a wasteful number, since it uses less digits than its factorization.

102443201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102443201 is about 10121.4228742801. The cubic root of 102443201 is about 467.9086207861.

Adding to 102443201 its reverse (102344201), we get a palindrome (204787402).

The spelling of 102443201 in words is "one hundred two million, four hundred forty-three thousand, two hundred one".