9120878 has 8 divisors (see below), whose sum is σ = 14733768. Its totient is φ = 4209624.

The previous prime is 9120871. The next prime is 9120887. The reversal of 9120878 is 8780219.

It is a happy number.

9120878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120871) 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, 175376 + ... + 175427.

It is an arithmetic number, because the mean of its divisors is an integer number (1841721).

Almost surely, 2^9120878 is an apocalyptic number.

9120878 is a deficient number, since it is larger than the sum of its proper divisors (5612890).

9120878 is a wasteful number, since it uses less digits than its factorization.

9120878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350818.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 9120878 is about 3020.0791380360. The cubic root of 9120878 is about 208.9354898084.

The spelling of 9120878 in words is "nine million, one hundred twenty thousand, eight hundred seventy-eight".