120556801 has 8 divisors (see below), whose sum is σ = 122760000. Its totient is φ = 118361040.

The previous prime is 120556781. The next prime is 120556817. The reversal of 120556801 is 108655021.

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 120556801 - 2¹³ = 120548609 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 120556801.

It is not an unprimeable number, because it can be changed into a prime (120556831) 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, 38700 + ... + 41698.

It is an arithmetic number, because the mean of its divisors is an integer number (15345000).

Almost surely, 2^120556801 is an apocalyptic number.

It is an amenable number.

120556801 is a deficient number, since it is larger than the sum of its proper divisors (2203199).

120556801 is an equidigital number, since it uses as much as digits as its factorization.

120556801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 120556801 is about 10979.8361098880. The cubic root of 120556801 is about 494.0041209423.

The spelling of 120556801 in words is "one hundred twenty million, five hundred fifty-six thousand, eight hundred one".