120844 has 6 divisors (see below), whose sum is σ = 211484. Its totient is φ = 60420.

The previous prime is 120833. The next prime is 120847. The reversal of 120844 is 448021.

It is not an unprimeable number, because it can be changed into a prime (120847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15102 + ... + 15109.

2¹²⁰⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

120844 is a deficient number, since it is larger than the sum of its proper divisors (90640).

120844 is a wasteful number, since it uses less digits than its factorization.

120844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30215 (or 30213 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 120844 is about 347.6262360640. The cubic root of 120844 is about 49.4396093782.

Adding to 120844 its reverse (448021), we get a palindrome (568865).

The spelling of 120844 in words is "one hundred twenty thousand, eight hundred forty-four".