10102122 has 12 divisors (see below), whose sum is σ = 21887970. Its totient is φ = 3367368.

The previous prime is 10102117. The next prime is 10102139. The reversal of 10102122 is 22120101.

It can be written as a sum of positive squares in only one way, i.e., 9678321 + 423801 = 3111^2 + 651^2 .

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 280597 + ... + 280632.

Almost surely, 2^10102122 is an apocalyptic number.

10102122 is an abundant number, since it is smaller than the sum of its proper divisors (11785848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10102122 is a wasteful number, since it uses less digits than its factorization.

10102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561237 (or 561234 counting only the distinct ones).

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

The square root of 10102122 is about 3178.3835514299. The cubic root of 10102122 is about 216.1743705148.

Adding to 10102122 its reverse (22120101), we get a palindrome (32222223).

The spelling of 10102122 in words is "ten million, one hundred two thousand, one hundred twenty-two".