102133201 has 4 divisors (see below), whose sum is σ = 102189492. Its totient is φ = 102076912.

The previous prime is 102133177. The next prime is 102133211. The reversal of 102133201 is 102331201.

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 60466176 + 41667025 = 7776^2 + 6455^2 .

It is a cyclic number.

It is not a de Polignac number, because 102133201 - 2¹⁷ = 102002129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102133211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25330 + ... + 29083.

It is an arithmetic number, because the mean of its divisors is an integer number (25547373).

Almost surely, 2^102133201 is an apocalyptic number.

It is an amenable number.

102133201 is a deficient number, since it is larger than the sum of its proper divisors (56291).

102133201 is an equidigital number, since it uses as much as digits as its factorization.

102133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56290.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102133201 is about 10106.0972190060. The cubic root of 102133201 is about 467.4361696147.

Adding to 102133201 its reverse (102331201), we get a palindrome (204464402).

The spelling of 102133201 in words is "one hundred two million, one hundred thirty-three thousand, two hundred one".