10202001 has 8 divisors (see below), whose sum is σ = 13644384. Its totient is φ = 6780480.

The previous prime is 10201987. The next prime is 10202009. The reversal of 10202001 is 10020201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10202001 - 2¹³ = 10193809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10202009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035 + ... + 6056.

It is an arithmetic number, because the mean of its divisors is an integer number (1705548).

Almost surely, 2^10202001 is an apocalyptic number.

It is an amenable number.

10202001 is a deficient number, since it is larger than the sum of its proper divisors (3442383).

10202001 is a wasteful number, since it uses less digits than its factorization.

10202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 10202001 is about 3194.0571378734. The cubic root of 10202001 is about 216.8844692137.

Adding to 10202001 its reverse (10020201), we get a palindrome (20222202).

It can be divided in two parts, 1020200 and 1, that added together give a palindrome (1020201).

The spelling of 10202001 in words is "ten million, two hundred two thousand, one".