120556851 has 8 divisors (see below), whose sum is σ = 164663184. Its totient is φ = 78410880.

The previous prime is 120556847. The next prime is 120556889. The reversal of 120556851 is 158655021.

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

It is not a de Polignac number, because 120556851 - 2² = 120556847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120556831) 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, 489946 + ... + 490191.

It is an arithmetic number, because the mean of its divisors is an integer number (20582898).

Almost surely, 2^120556851 is an apocalyptic number.

120556851 is a deficient number, since it is larger than the sum of its proper divisors (44106333).

120556851 is an equidigital number, since it uses as much as digits as its factorization.

120556851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980181.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 120556851 is about 10979.8383867888. The cubic root of 120556851 is about 494.0041892371.

The spelling of 120556851 in words is "one hundred twenty million, five hundred fifty-six thousand, eight hundred fifty-one".