120851018 has 4 divisors (see below), whose sum is σ = 181276530. Its totient is φ = 60425508.

The previous prime is 120851009. The next prime is 120851021. The reversal of 120851018 is 810158021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112423609 + 8427409 = 10603^2 + 2903^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30212753 + ... + 30212756.

Almost surely, 2^120851018 is an apocalyptic number.

120851018 is a deficient number, since it is larger than the sum of its proper divisors (60425512).

120851018 is an equidigital number, since it uses as much as digits as its factorization.

120851018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60425511.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 120851018 is about 10993.2260051361. The cubic root of 120851018 is about 494.4056642601.

The spelling of 120851018 in words is "one hundred twenty million, eight hundred fifty-one thousand, eighteen".