10002122 has 8 divisors (see below), whose sum is σ = 16157316. Its totient is φ = 4616352.

The previous prime is 10002121. The next prime is 10002127. The reversal of 10002122 is 22120001.

10002122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9991921 + 10201 = 3161^2 + 101^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10002121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192323 + ... + 192374.

Almost surely, 2^10002122 is an apocalyptic number.

10002122 is a deficient number, since it is larger than the sum of its proper divisors (6155194).

10002122 is a wasteful number, since it uses less digits than its factorization.

10002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384712.

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

The square root of 10002122 is about 3162.6131600308. The cubic root of 10002122 is about 215.4587069601.

Adding to 10002122 its reverse (22120001), we get a palindrome (32122123).

The spelling of 10002122 in words is "ten million, two thousand, one hundred twenty-two".