120000089 has 4 divisors (see below), whose sum is σ = 130909200. Its totient is φ = 109090980.

The previous prime is 120000077. The next prime is 120000103. The reversal of 120000089 is 980000021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120000089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120000089.

It is not an unprimeable number, because it can be changed into a prime (120000589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5454539 + ... + 5454560.

It is an arithmetic number, because the mean of its divisors is an integer number (32727300).

Almost surely, 2^120000089 is an apocalyptic number.

It is an amenable number.

120000089 is a deficient number, since it is larger than the sum of its proper divisors (10909111).

120000089 is a wasteful number, since it uses less digits than its factorization.

120000089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909110.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 120000089 is about 10954.4552123782. The cubic root of 120000089 is about 493.2425368065.

The spelling of 120000089 in words is "one hundred twenty million, eighty-nine", and thus it is an aban number.