120389347427 has 4 divisors (see below), whose sum is σ = 123325673016. Its totient is φ = 117453021840.

The previous prime is 120389347409. The next prime is 120389347487. The reversal of 120389347427 is 724743983021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120389347427 - 2¹⁶ = 120389281891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120389347487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468162733 + ... + 1468162814.

It is an arithmetic number, because the mean of its divisors is an integer number (30831418254).

Almost surely, 2^120389347427 is an apocalyptic number.

120389347427 is a deficient number, since it is larger than the sum of its proper divisors (2936325589).

120389347427 is an equidigital number, since it uses as much as digits as its factorization.

120389347427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936325588.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 120389347427 in words is "one hundred twenty billion, three hundred eighty-nine million, three hundred forty-seven thousand, four hundred twenty-seven".