120439000771 has 4 divisors (see below), whose sum is σ = 120507707032. Its totient is φ = 120370294512.

The previous prime is 120439000697. The next prime is 120439000793. The reversal of 120439000771 is 177000934021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177000934021 = 1553 ⋅113973557.

It is a cyclic number.

It is not a de Polignac number, because 120439000771 - 2²³ = 120430612163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120439004771) 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, 34350501 + ... + 34354006.

It is an arithmetic number, because the mean of its divisors is an integer number (30126926758).

Almost surely, 2^120439000771 is an apocalyptic number.

120439000771 is the 200366-th hex number.

120439000771 is a deficient number, since it is larger than the sum of its proper divisors (68706261).

120439000771 is an equidigital number, since it uses as much as digits as its factorization.

120439000771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68706260.

The product of its (nonzero) digits is 10584, while the sum is 34.

Adding to 120439000771 its reverse (177000934021), we get a palindrome (297439934792).

The spelling of 120439000771 in words is "one hundred twenty billion, four hundred thirty-nine million, seven hundred seventy-one", and thus it is an aban number.