120841087 has 4 divisors (see below), whose sum is σ = 120880936. Its totient is φ = 120801240.

The previous prime is 120841073. The next prime is 120841093. The reversal of 120841087 is 780148021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780148021 = 107 ⋅7291103.

It is a cyclic number.

It is not a de Polignac number, because 120841087 - 2¹⁹ = 120316799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120841037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14964 + ... + 21577.

It is an arithmetic number, because the mean of its divisors is an integer number (30220234).

Almost surely, 2^120841087 is an apocalyptic number.

120841087 is a deficient number, since it is larger than the sum of its proper divisors (39849).

120841087 is an equidigital number, since it uses as much as digits as its factorization.

120841087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 120841087 is about 10992.7743086084. The cubic root of 120841087 is about 494.3921212018.

The spelling of 120841087 in words is "one hundred twenty million, eight hundred forty-one thousand, eighty-seven".