101039201 has 2 divisors, whose sum is σ = 101039202. Its totient is φ = 101039200.

The previous prime is 101039179. The next prime is 101039203. The reversal of 101039201 is 102930101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68492176 + 32547025 = 8276^2 + 5705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101039201 is a prime.

It is a Sophie Germain prime.

Together with 101039203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101039201.

It is not a weakly prime, because it can be changed into another prime (101039203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50519600 + 50519601.

It is an arithmetic number, because the mean of its divisors is an integer number (50519601).

Almost surely, 2^101039201 is an apocalyptic number.

It is an amenable number.

101039201 is a deficient number, since it is larger than the sum of its proper divisors (1).

101039201 is an equidigital number, since it uses as much as digits as its factorization.

101039201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 101039201 is about 10051.8257545582. The cubic root of 101039201 is about 465.7611936239.

Adding to 101039201 its reverse (102930101), we get a palindrome (203969302).

The spelling of 101039201 in words is "one hundred one million, thirty-nine thousand, two hundred one".