102125201 has 2 divisors, whose sum is σ = 102125202. Its totient is φ = 102125200.

The previous prime is 102125197. The next prime is 102125207. The reversal of 102125201 is 102521201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 40972801 = 7820^2 + 6401^2 .

It is a cyclic number.

It is not a de Polignac number, because 102125201 - 2² = 102125197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102125207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51062600 + 51062601.

It is an arithmetic number, because the mean of its divisors is an integer number (51062601).

Almost surely, 2^102125201 is an apocalyptic number.

It is an amenable number.

102125201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102125201 is an equidigital number, since it uses as much as digits as its factorization.

102125201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 102125201 is about 10105.7014105900. The cubic root of 102125201 is about 467.4239646804.

Adding to 102125201 its reverse (102521201), we get a palindrome (204646402).

The spelling of 102125201 in words is "one hundred two million, one hundred twenty-five thousand, two hundred one".