120894817 has 4 divisors (see below), whose sum is σ = 121063680. Its totient is φ = 120725956.

The previous prime is 120894811. The next prime is 120894821. The reversal of 120894817 is 718498021.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 718498021 = 6131 ⋅117191.

It is a cyclic number.

It is not a de Polignac number, because 120894817 - 2²³ = 112506209 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120894817.

It is not an unprimeable number, because it can be changed into a prime (120894811) 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, 83353 + ... + 84790.

It is an arithmetic number, because the mean of its divisors is an integer number (30265920).

Almost surely, 2^120894817 is an apocalyptic number.

It is an amenable number.

120894817 is a deficient number, since it is larger than the sum of its proper divisors (168863).

120894817 is an equidigital number, since it uses as much as digits as its factorization.

120894817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168862.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 120894817 is about 10995.2179150756. The cubic root of 120894817 is about 494.4653847837.

The spelling of 120894817 in words is "one hundred twenty million, eight hundred ninety-four thousand, eight hundred seventeen".