120854813 has 8 divisors (see below), whose sum is σ = 124250880. Its totient is φ = 117493200.

The previous prime is 120854809. The next prime is 120854827. The reversal of 120854813 is 318458021.

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

It is a cyclic number.

It is not a de Polignac number, because 120854813 - 2² = 120854809 is a prime.

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 120854813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120854843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (15531360).

Almost surely, 2^120854813 is an apocalyptic number.

It is an amenable number.

120854813 is a deficient number, since it is larger than the sum of its proper divisors (3396067).

120854813 is a wasteful number, since it uses less digits than its factorization.

120854813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17227.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 120854813 is about 10993.3986100750. The cubic root of 120854813 is about 494.4108393644.

The spelling of 120854813 in words is "one hundred twenty million, eight hundred fifty-four thousand, eight hundred thirteen".