120220149 has 16 divisors (see below), whose sum is σ = 191158272. Its totient is φ = 65710128.

The previous prime is 120220117. The next prime is 120220153. The reversal of 120220149 is 941022021.

It is not a de Polignac number, because 120220149 - 2⁵ = 120220117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123969 + ... + 124934.

It is an arithmetic number, because the mean of its divisors is an integer number (11947392).

Almost surely, 2^120220149 is an apocalyptic number.

It is an amenable number.

120220149 is a deficient number, since it is larger than the sum of its proper divisors (70938123).

120220149 is a wasteful number, since it uses less digits than its factorization.

120220149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248936.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 120220149 is about 10964.4949268081. The cubic root of 120220149 is about 493.5438606673.

The spelling of 120220149 in words is "one hundred twenty million, two hundred twenty thousand, one hundred forty-nine".