3120201 has 20 divisors (see below), whose sum is σ = 5327872. Its totient is φ = 1782648.

The previous prime is 3120137. The next prime is 3120217. The reversal of 3120201 is 1020213.

It is a happy number.

It is not a de Polignac number, because 3120201 - 2⁶ = 3120137 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 (3120281) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2185 + ... + 3318.

Almost surely, 2^3120201 is an apocalyptic number.

It is an amenable number.

3120201 is a deficient number, since it is larger than the sum of its proper divisors (2207671).

3120201 is an equidigital number, since it uses as much as digits as its factorization.

3120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522 (or 5513 counting only the distinct ones).

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

The square root of 3120201 is about 1766.4090692702. The cubic root of 3120201 is about 146.1260093089.

Adding to 3120201 its product of nonzero digits (12), we get a palindrome (3120213).

Adding to 3120201 its reverse (1020213), we get a palindrome (4140414).

It can be divided in two parts, 3120 and 201, that added together give a triangular number (3321 = T₈₁).

The spelling of 3120201 in words is "three million, one hundred twenty thousand, two hundred one".