120753009 has 24 divisors (see below), whose sum is σ = 188260800. Its totient is φ = 74142432.

The previous prime is 120753007. The next prime is 120753067. The reversal of 120753009 is 900357021.

120753009 is a `hidden beast` number, since 120 + 7 + 530 + 0 + 9 = 666.

It is not a de Polignac number, because 120753009 - 2¹ = 120753007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120753007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69222 + ... + 70944.

It is an arithmetic number, because the mean of its divisors is an integer number (7844200).

Almost surely, 2^120753009 is an apocalyptic number.

It is an amenable number.

120753009 is a deficient number, since it is larger than the sum of its proper divisors (67507791).

120753009 is a wasteful number, since it uses less digits than its factorization.

120753009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 120753009 is about 10988.7674013058. The cubic root of 120753009 is about 494.2719753854.

The spelling of 120753009 in words is "one hundred twenty million, seven hundred fifty-three thousand, nine".