120734909 has 4 divisors (see below), whose sum is σ = 120926880. Its totient is φ = 120542940.

The previous prime is 120734903. The next prime is 120734947. The reversal of 120734909 is 909437021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120734909 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 (120734903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95039 + ... + 96300.

It is an arithmetic number, because the mean of its divisors is an integer number (30231720).

Almost surely, 2^120734909 is an apocalyptic number.

It is an amenable number.

120734909 is a deficient number, since it is larger than the sum of its proper divisors (191971).

120734909 is an equidigital number, since it uses as much as digits as its factorization.

120734909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191970.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 120734909 is about 10987.9438021861. The cubic root of 120734909 is about 494.2472782236.

The spelling of 120734909 in words is "one hundred twenty million, seven hundred thirty-four thousand, nine hundred nine".