9120193287 has 8 divisors (see below), whose sum is σ = 12800271360. Its totient is φ = 5760122040.

The previous prime is 9120193279. The next prime is 9120193309. The reversal of 9120193287 is 7823910219.

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

It is not a de Polignac number, because 9120193287 - 2³ = 9120193279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120193207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80001639 + ... + 80001752.

It is an arithmetic number, because the mean of its divisors is an integer number (1600033920).

Almost surely, 2^9120193287 is an apocalyptic number.

9120193287 is a deficient number, since it is larger than the sum of its proper divisors (3680078073).

9120193287 is a wasteful number, since it uses less digits than its factorization.

9120193287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160003413.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 9120193287 is about 95499.7030728368. The cubic root of 9120193287 is about 2089.3026134885.

The spelling of 9120193287 in words is "nine billion, one hundred twenty million, one hundred ninety-three thousand, two hundred eighty-seven".