120798087 has 4 divisors (see below), whose sum is σ = 161064120. Its totient is φ = 80532056.

The previous prime is 120798059. The next prime is 120798101. The reversal of 120798087 is 780897021.

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

It is a cyclic number.

It is not a de Polignac number, because 120798087 - 2⁶ = 120798023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120798287) 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, 20133012 + ... + 20133017.

It is an arithmetic number, because the mean of its divisors is an integer number (40266030).

Almost surely, 2^120798087 is an apocalyptic number.

120798087 is a deficient number, since it is larger than the sum of its proper divisors (40266033).

120798087 is an equidigital number, since it uses as much as digits as its factorization.

120798087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40266032.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 120798087 is about 10990.8183043848. The cubic root of 120798087 is about 494.3334728733. Note that the first 3 decimals are identical.

The spelling of 120798087 in words is "one hundred twenty million, seven hundred ninety-eight thousand, eighty-seven".