120443977 has 6 divisors (see below), whose sum is σ = 121635402. Its totient is φ = 119264112.

The previous prime is 120443933. The next prime is 120443987. The reversal of 120443977 is 779344021.

It can be written as a sum of positive squares in only one way, i.e., 91757241 + 28686736 = 9579^2 + 5356^2 .

It is not a de Polignac number, because 120443977 - 2¹⁹ = 119919689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120443927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4933 + ... + 16285.

It is an arithmetic number, because the mean of its divisors is an integer number (20272567).

Almost surely, 2^120443977 is an apocalyptic number.

It is an amenable number.

120443977 is a deficient number, since it is larger than the sum of its proper divisors (1191425).

120443977 is an equidigital number, since it uses as much as digits as its factorization.

120443977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11559 (or 11456 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 120443977 is about 10974.6971256614. The cubic root of 120443977 is about 493.8499670045.

Adding to 120443977 its reverse (779344021), we get a palindrome (899787998).

The spelling of 120443977 in words is "one hundred twenty million, four hundred forty-three thousand, nine hundred seventy-seven".