4202001 has 12 divisors (see below), whose sum is σ = 6089460. Its totient is φ = 2792160.

The previous prime is 4201969. The next prime is 4202017. The reversal of 4202001 is 1002024.

It can be written as a sum of positive squares in 2 ways, for example, as 40401 + 4161600 = 201^2 + 2040^2 .

It is not a de Polignac number, because 4202001 - 2⁵ = 4201969 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (4202501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3235 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (507455).

Almost surely, 2^4202001 is an apocalyptic number.

It is an amenable number.

4202001 is a deficient number, since it is larger than the sum of its proper divisors (1887459).

4202001 is a wasteful number, since it uses less digits than its factorization.

4202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4202001 is about 2049.8782890699. The cubic root of 4202001 is about 161.3684833179.

Adding to 4202001 its reverse (1002024), we get a palindrome (5204025).

The spelling of 4202001 in words is "four million, two hundred two thousand, one".