4120939 has 2 divisors, whose sum is σ = 4120940. Its totient is φ = 4120938.

The previous prime is 4120937. The next prime is 4120957. The reversal of 4120939 is 9390214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4120939 - 2¹ = 4120937 is a prime.

Together with 4120937, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4120931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060469 + 2060470.

It is an arithmetic number, because the mean of its divisors is an integer number (2060470).

Almost surely, 2^4120939 is an apocalyptic number.

4120939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120939 is an equidigital number, since it uses as much as digits as its factorization.

4120939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4120939 is about 2030.0096058886. The cubic root of 4120939 is about 160.3240697369.

The spelling of 4120939 in words is "four million, one hundred twenty thousand, nine hundred thirty-nine".