99010120 has 32 divisors (see below), whose sum is σ = 243025920. Its totient is φ = 36003520.

The previous prime is 99010103. The next prime is 99010129. The reversal of 99010120 is 2101099.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 99010091 and 99010100.

It is not an unprimeable number, because it can be changed into a prime (99010129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112072 + ... + 112951.

It is an arithmetic number, because the mean of its divisors is an integer number (7594560).

Almost surely, 2^99010120 is an apocalyptic number.

It is an amenable number.

99010120 is an abundant number, since it is smaller than the sum of its proper divisors (144015800).

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

99010120 is a wasteful number, since it uses less digits than its factorization.

99010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225045 (or 225041 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 99010120 is about 9950.3829072051. The cubic root of 99010120 is about 462.6222632694.

The spelling of 99010120 in words is "ninety-nine million, ten thousand, one hundred twenty".