10122120 has 96 divisors (see below), whose sum is σ = 33995520. Its totient is φ = 2609280.

The previous prime is 10122113. The next prime is 10122143. The reversal of 10122120 is 2122101.

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 23 ways as a sum of consecutive naturals, for example, 10707 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (354120).

Almost surely, 2^10122120 is an apocalyptic number.

10122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16997760).

10122120 is an abundant number, since it is smaller than the sum of its proper divisors (23873400).

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

10122120 is a wasteful number, since it uses less digits than its factorization.

10122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 948 counting only the distinct ones).

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

The square root of 10122120 is about 3181.5279348137. The cubic root of 10122120 is about 216.3169216071.

Adding to 10122120 its reverse (2122101), we get a palindrome (12244221).

The spelling of 10122120 in words is "ten million, one hundred twenty-two thousand, one hundred twenty".