10122201 has 24 divisors (see below), whose sum is σ = 15205320. Its totient is φ = 6483456.

The previous prime is 10122199. The next prime is 10122209. The reversal of 10122201 is 10222101.

It can be written as a sum of positive squares in 4 ways, for example, as 9801 + 10112400 = 99^2 + 3180^2 .

It is not a de Polignac number, because 10122201 - 2¹ = 10122199 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37495 + ... + 37763.

It is an arithmetic number, because the mean of its divisors is an integer number (633555).

Almost surely, 2^10122201 is an apocalyptic number.

It is an amenable number.

10122201 is a deficient number, since it is larger than the sum of its proper divisors (5083119).

10122201 is a wasteful number, since it uses less digits than its factorization.

10122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10122201 is about 3181.5406645209. The cubic root of 10122201 is about 216.3174986148.

Adding to 10122201 its reverse (10222101), we get a palindrome (20344302).

The spelling of 10122201 in words is "ten million, one hundred twenty-two thousand, two hundred one".