120002887 has 4 divisors (see below), whose sum is σ = 120216600. Its totient is φ = 119789176.

The previous prime is 120002867. The next prime is 120002903. The reversal of 120002887 is 788200021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788200021 = 7 ⋅112600003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120002887 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 (120002807) 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, 106012 + ... + 107137.

It is an arithmetic number, because the mean of its divisors is an integer number (30054150).

Almost surely, 2^120002887 is an apocalyptic number.

120002887 is a deficient number, since it is larger than the sum of its proper divisors (213713).

120002887 is an equidigital number, since it uses as much as digits as its factorization.

120002887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213712.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 120002887 is about 10954.5829222294. The cubic root of 120002887 is about 493.2463703645.

The spelling of 120002887 in words is "one hundred twenty million, two thousand, eight hundred eighty-seven".