102641201 has 4 divisors (see below), whose sum is σ = 110536692. Its totient is φ = 94745712.

The previous prime is 102641197. The next prime is 102641233. The reversal of 102641201 is 102146201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102146201 = 617 ⋅165553.

It can be written as a sum of positive squares in 2 ways, for example, as 24760576 + 77880625 = 4976^2 + 8825^2 .

It is a cyclic number.

It is not a de Polignac number, because 102641201 - 2² = 102641197 is a prime.

It is a super-2 number, since 2×102641201² = 21070432285444802, 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 102641201.

It is not an unprimeable number, because it can be changed into a prime (102641261) 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, 3947726 + ... + 3947751.

It is an arithmetic number, because the mean of its divisors is an integer number (27634173).

Almost surely, 2^102641201 is an apocalyptic number.

It is an amenable number.

102641201 is a deficient number, since it is larger than the sum of its proper divisors (7895491).

102641201 is an equidigital number, since it uses as much as digits as its factorization.

102641201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895490.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 102641201 is about 10131.1993860549. The cubic root of 102641201 is about 468.2098813286.

Adding to 102641201 its reverse (102146201), we get a palindrome (204787402).

The spelling of 102641201 in words is "one hundred two million, six hundred forty-one thousand, two hundred one".