120649 has 8 divisors (see below), whose sum is σ = 131328. Its totient is φ = 110400.

The previous prime is 120647. The next prime is 120661. The reversal of 120649 is 946021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120649 - 2¹ = 120647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724 + ... + 874.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2¹²⁰⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

120649 is a deficient number, since it is larger than the sum of its proper divisors (10679).

120649 is a wasteful number, since it uses less digits than its factorization.

120649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120649 is about 347.3456491738. The cubic root of 120649 is about 49.4130023088.

The spelling of 120649 in words is "one hundred twenty thousand, six hundred forty-nine".