120129118 has 16 divisors (see below), whose sum is σ = 182342160. Its totient is φ = 59351616.

The previous prime is 120129109. The next prime is 120129127. The reversal of 120129118 is 811921021.

It is an interprime number because it is at equal distance from previous prime (120129109) and next prime (120129127).

It is a junction number, because it is equal to n+sod(n) for n = 120129092 and 120129101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139746 + ... + 140602.

It is an arithmetic number, because the mean of its divisors is an integer number (11396385).

Almost surely, 2^120129118 is an apocalyptic number.

120129118 is a deficient number, since it is larger than the sum of its proper divisors (62213042).

120129118 is a wasteful number, since it uses less digits than its factorization.

120129118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 120129118 is about 10960.3429690863. The cubic root of 120129118 is about 493.4192583269.

The spelling of 120129118 in words is "one hundred twenty million, one hundred twenty-nine thousand, one hundred eighteen".