120419871 has 16 divisors (see below), whose sum is σ = 188630400. Its totient is φ = 67367520.

The previous prime is 120419839. The next prime is 120419939. The reversal of 120419871 is 178914021.

It is not a de Polignac number, because 120419871 - 2⁵ = 120419839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120419801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139921 + ... + 140778.

It is an arithmetic number, because the mean of its divisors is an integer number (11789400).

Almost surely, 2^120419871 is an apocalyptic number.

120419871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120419871 is a deficient number, since it is larger than the sum of its proper divisors (68210529).

120419871 is a wasteful number, since it uses less digits than its factorization.

120419871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280726.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 120419871 is about 10973.5988171611. The cubic root of 120419871 is about 493.8170179607.

It can be divided in two parts, 12041 and 9871, that added together give a palindrome (21912).

The spelling of 120419871 in words is "one hundred twenty million, four hundred nineteen thousand, eight hundred seventy-one".