2103201 has 6 divisors (see below), whose sum is σ = 3037970. Its totient is φ = 1402128.

The previous prime is 2103193. The next prime is 2103229. The reversal of 2103201 is 1023012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 3600 = 1449^2 + 60^2 .

It is not a de Polignac number, because 2103201 - 2³ = 2103193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 233689 = 2103201 / (2 + 1 + 0 + 3 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116836 + ... + 116853.

2^2103201 is an apocalyptic number.

It is an amenable number.

2103201 is a deficient number, since it is larger than the sum of its proper divisors (934769).

2103201 is a wasteful number, since it uses less digits than its factorization.

2103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233695 (or 233692 counting only the distinct ones).

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

The square root of 2103201 is about 1450.2417039928. The cubic root of 2103201 is about 128.1229490848.

Adding to 2103201 its reverse (1023012), we get a palindrome (3126213).

It can be divided in two parts, 2103 and 201, that added together give a square (2304 = 48²).

The spelling of 2103201 in words is "two million, one hundred three thousand, two hundred one".