9120100 has 36 divisors (see below), whose sum is σ = 21592368. Its totient is φ = 3316000.

The previous prime is 9120091. The next prime is 9120101. The reversal of 9120100 is 10219.

It is not an unprimeable number, because it can be changed into a prime (9120101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3046 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (599788).

Almost surely, 2^9120100 is an apocalyptic number.

It is an amenable number.

9120100 is an abundant number, since it is smaller than the sum of its proper divisors (12472268).

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

9120100 is a wasteful number, since it uses less digits than its factorization.

9120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316 (or 8309 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 9120100 is about 3019.9503307174. The cubic root of 9120100 is about 208.9295489903.

Adding to 9120100 its reverse (10219), we get a palindrome (9130319).

The spelling of 9120100 in words is "nine million, one hundred twenty thousand, one hundred".