120369161 has 16 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 103233600.

The previous prime is 120369157. The next prime is 120369181. The reversal of 120369161 is 161963021.

It is a cyclic number.

It is not a de Polignac number, because 120369161 - 2² = 120369157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120369101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55151 + ... + 57291.

It is an arithmetic number, because the mean of its divisors is an integer number (8675100).

Almost surely, 2^120369161 is an apocalyptic number.

120369161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120369161 is a deficient number, since it is larger than the sum of its proper divisors (18432439).

120369161 is a wasteful number, since it uses less digits than its factorization.

120369161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 120369161 is about 10971.2880283037. The cubic root of 120369161 is about 493.7476911498.

The spelling of 120369161 in words is "one hundred twenty million, three hundred sixty-nine thousand, one hundred sixty-one".