10121201 has 4 divisors (see below), whose sum is σ = 10128804. Its totient is φ = 10113600.

The previous prime is 10121183. The next prime is 10121233. The reversal of 10121201 is 10212101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7974976 + 2146225 = 2824^2 + 1465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10126201) 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, 1220 + ... + 4661.

It is an arithmetic number, because the mean of its divisors is an integer number (2532201).

Almost surely, 2^10121201 is an apocalyptic number.

It is an amenable number.

10121201 is a deficient number, since it is larger than the sum of its proper divisors (7603).

10121201 is an equidigital number, since it uses as much as digits as its factorization.

10121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 10121201 is about 3181.3835040749. The cubic root of 10121201 is about 216.3103748472.

Adding to 10121201 its reverse (10212101), we get a palindrome (20333302).

The spelling of 10121201 in words is "ten million, one hundred twenty-one thousand, two hundred one".