120418138 has 8 divisors (see below), whose sum is σ = 180933588. Its totient is φ = 60106944.

The previous prime is 120418093. The next prime is 120418141. The reversal of 120418138 is 831814021.

It can be written as a sum of positive squares in 2 ways, for example, as 116704809 + 3713329 = 10803^2 + 1927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49581 + ... + 51952.

Almost surely, 2^120418138 is an apocalyptic number.

120418138 is a deficient number, since it is larger than the sum of its proper divisors (60515450).

120418138 is a wasteful number, since it uses less digits than its factorization.

120418138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102128.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 120418138 is about 10973.5198546319. The cubic root of 120418138 is about 493.8146490577.

The spelling of 120418138 in words is "one hundred twenty million, four hundred eighteen thousand, one hundred thirty-eight".