120000491895 has 16 divisors (see below), whose sum is σ = 192494371680. Its totient is φ = 63835734144.

The previous prime is 120000491887. The next prime is 120000491903. The reversal of 120000491895 is 598194000021.

It is an interprime number because it is at equal distance from previous prime (120000491887) and next prime (120000491903).

It is not a de Polignac number, because 120000491895 - 2³ = 120000491887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10276984 + ... + 10288653.

It is an arithmetic number, because the mean of its divisors is an integer number (12030898230).

Almost surely, 2^120000491895 is an apocalyptic number.

120000491895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120000491895 is a deficient number, since it is larger than the sum of its proper divisors (72493879785).

120000491895 is a wasteful number, since it uses less digits than its factorization.

120000491895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20566034.

The product of its (nonzero) digits is 25920, while the sum is 39.

The spelling of 120000491895 in words is "one hundred twenty billion, four hundred ninety-one thousand, eight hundred ninety-five".