2130201 has 12 divisors (see below), whose sum is σ = 3160612. Its totient is φ = 1381536.

The previous prime is 2130173. The next prime is 2130209. The reversal of 2130201 is 1020312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 810000 + 1320201 = 900^2 + 1149^2 .

It is not a de Polignac number, because 2130201 - 2⁵ = 2130169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2866 + ... + 3531.

2^2130201 is an apocalyptic number.

It is an amenable number.

2130201 is a deficient number, since it is larger than the sum of its proper divisors (1030411).

2130201 is a wasteful number, since it uses less digits than its factorization.

2130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440 (or 6437 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2130201 is about 1459.5208117735. The cubic root of 2130201 is about 128.6688821988.

Adding to 2130201 its reverse (1020312), we get a palindrome (3150513).

The spelling of 2130201 in words is "two million, one hundred thirty thousand, two hundred one".