10122001 has 4 divisors (see below), whose sum is σ = 10562112. Its totient is φ = 9681892.

The previous prime is 10121999. The next prime is 10122011. The reversal of 10122001 is 10022101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10122001 - 2¹ = 10121999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122011) 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 3 ways as a sum of consecutive naturals, for example, 220021 + ... + 220066.

It is an arithmetic number, because the mean of its divisors is an integer number (2640528).

Almost surely, 2^10122001 is an apocalyptic number.

It is an amenable number.

10122001 is a deficient number, since it is larger than the sum of its proper divisors (440111).

10122001 is an equidigital number, since it uses as much as digits as its factorization.

10122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440110.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10122001 is about 3181.5092330528. The cubic root of 10122001 is about 216.3160738988.

Adding to 10122001 its reverse (10022101), we get a palindrome (20144102).

The spelling of 10122001 in words is "ten million, one hundred twenty-two thousand, one".