120161943 has 12 divisors (see below), whose sum is σ = 189346248. Its totient is φ = 72825360.

The previous prime is 120161929. The next prime is 120161953. The reversal of 120161943 is 349161021.

120161943 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 619 + 43 = 666.

It is not a de Polignac number, because 120161943 - 2⁶ = 120161879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120161953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606780 + ... + 606977.

It is an arithmetic number, because the mean of its divisors is an integer number (15778854).

Almost surely, 2^120161943 is an apocalyptic number.

120161943 is a deficient number, since it is larger than the sum of its proper divisors (69184305).

120161943 is a wasteful number, since it uses less digits than its factorization.

120161943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213774 (or 1213771 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 120161943 is about 10961.8403108237. The cubic root of 120161943 is about 493.4641961195.

It can be divided in two parts, 120161 and 943, that added together give a square (121104 = 348²).

The spelling of 120161943 in words is "one hundred twenty million, one hundred sixty-one thousand, nine hundred forty-three".