102404201 has 4 divisors (see below), whose sum is σ = 103554900. Its totient is φ = 101253504.

The previous prime is 102404179. The next prime is 102404221.

102404201 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62094400 + 40309801 = 7880^2 + 6349^2 .

It is a cyclic number.

It is not a de Polignac number, because 102404201 - 2²² = 98209897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102404221) 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 3 ways as a sum of consecutive naturals, for example, 575216 + ... + 575393.

It is an arithmetic number, because the mean of its divisors is an integer number (25888725).

Almost surely, 2^102404201 is an apocalyptic number.

It is an amenable number.

102404201 is a deficient number, since it is larger than the sum of its proper divisors (1150699).

102404201 is an equidigital number, since it uses as much as digits as its factorization.

102404201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150698.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102404201 is about 10119.4960842919. The cubic root of 102404201 is about 467.8492358383.

It can be divided in two parts, 10240 and 4201, that added together give a palindrome (14441).

The spelling of 102404201 in words is "one hundred two million, four hundred four thousand, two hundred one".