120440279 has 2 divisors, whose sum is σ = 120440280. Its totient is φ = 120440278.

The previous prime is 120440267. The next prime is 120440311. The reversal of 120440279 is 972044021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120440279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120446279) 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 as a sum of consecutive naturals, namely, 60220139 + 60220140.

It is an arithmetic number, because the mean of its divisors is an integer number (60220140).

Almost surely, 2^120440279 is an apocalyptic number.

120440279 is a deficient number, since it is larger than the sum of its proper divisors (1).

120440279 is an equidigital number, since it uses as much as digits as its factorization.

120440279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 120440279 is about 10974.5286459146. The cubic root of 120440279 is about 493.8449127158.

The spelling of 120440279 in words is "one hundred twenty million, four hundred forty thousand, two hundred seventy-nine".