120543979 has 2 divisors, whose sum is σ = 120543980. Its totient is φ = 120543978.

The previous prime is 120543959. The next prime is 120544001. The reversal of 120543979 is 979345021.

It is a weak prime.

It is an emirp because it is prime and its reverse (979345021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120543979 - 2¹³ = 120535787 is a prime.

It is not a weakly prime, because it can be changed into another prime (120543949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60271989 + 60271990.

It is an arithmetic number, because the mean of its divisors is an integer number (60271990).

Almost surely, 2^120543979 is an apocalyptic number.

120543979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120543979 is an equidigital number, since it uses as much as digits as its factorization.

120543979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 120543979 is about 10979.2522058654. The cubic root of 120543979 is about 493.9866068041.

The spelling of 120543979 in words is "one hundred twenty million, five hundred forty-three thousand, nine hundred seventy-nine".