120823939 has 2 divisors, whose sum is σ = 120823940. Its totient is φ = 120823938.

The previous prime is 120823931. The next prime is 120823949. The reversal of 120823939 is 939328021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120823939 - 2³ = 120823931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120823898 and 120823907.

It is not a weakly prime, because it can be changed into another prime (120823931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60411969 + 60411970.

It is an arithmetic number, because the mean of its divisors is an integer number (60411970).

Almost surely, 2^120823939 is an apocalyptic number.

120823939 is a deficient number, since it is larger than the sum of its proper divisors (1).

120823939 is an equidigital number, since it uses as much as digits as its factorization.

120823939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 120823939 is about 10991.9943140451. The cubic root of 120823939 is about 494.3687344621.

The spelling of 120823939 in words is "one hundred twenty million, eight hundred twenty-three thousand, nine hundred thirty-nine".