99597120 has 112 divisors (see below), whose sum is σ = 361419648. Its totient is φ = 22763520.

The previous prime is 99597103. The next prime is 99597139. The reversal of 99597120 is 2179599.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691 + ... + 14130.

Almost surely, 2^99597120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99597120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180709824).

99597120 is an abundant number, since it is smaller than the sum of its proper divisors (261822528).

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

99597120 is a wasteful number, since it uses less digits than its factorization.

99597120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14848 (or 14838 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 99597120 is about 9979.8356699898. The cubic root of 99597120 is about 463.5347099496.

The spelling of 99597120 in words is "ninety-nine million, five hundred ninety-seven thousand, one hundred twenty".