2301021 has 8 divisors (see below), whose sum is σ = 3408960. Its totient is φ = 1533996.

The previous prime is 2301017. The next prime is 2301023. The reversal of 2301021 is 1201032.

It is a happy number.

2301021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2301021 - 2² = 2301017 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 2300994 and 2301012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42585 + ... + 42638.

It is an arithmetic number, because the mean of its divisors is an integer number (426120).

2^2301021 is an apocalyptic number.

It is an amenable number.

2301021 is a deficient number, since it is larger than the sum of its proper divisors (1107939).

2301021 is an equidigital number, since it uses as much as digits as its factorization.

2301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85232 (or 85226 counting only the distinct ones).

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

The square root of 2301021 is about 1516.9116651935. The cubic root of 2301021 is about 132.0201415546.

Adding to 2301021 its reverse (1201032), we get a palindrome (3502053).

The spelling of 2301021 in words is "two million, three hundred one thousand, twenty-one".