120011709 has 8 divisors (see below), whose sum is σ = 160205760. Its totient is φ = 79912736.

The previous prime is 120011659. The next prime is 120011719. The reversal of 120011709 is 907110021.

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 120011709 - 2¹³ = 120003517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011719) 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, 20769 + ... + 25910.

It is an arithmetic number, because the mean of its divisors is an integer number (20025720).

Almost surely, 2^120011709 is an apocalyptic number.

It is an amenable number.

120011709 is a deficient number, since it is larger than the sum of its proper divisors (40194051).

120011709 is an equidigital number, since it uses as much as digits as its factorization.

120011709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47539.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 120011709 is about 10954.9855773524. The cubic root of 120011709 is about 493.2584570539.

The spelling of 120011709 in words is "one hundred twenty million, eleven thousand, seven hundred nine".