120140185 has 16 divisors (see below), whose sum is σ = 162699840. Its totient is φ = 84360640.

The previous prime is 120140183. The next prime is 120140191. The reversal of 120140185 is 581041021.

It is not a de Polignac number, because 120140185 - 2¹ = 120140183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120140183) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36067 + ... + 39256.

It is an arithmetic number, because the mean of its divisors is an integer number (10168740).

Almost surely, 2^120140185 is an apocalyptic number.

It is an amenable number.

120140185 is a deficient number, since it is larger than the sum of its proper divisors (42559655).

120140185 is a wasteful number, since it uses less digits than its factorization.

120140185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75368.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 120140185 is about 10960.8478230473. The cubic root of 120140185 is about 493.4344100885.

The spelling of 120140185 in words is "one hundred twenty million, one hundred forty thousand, one hundred eighty-five".