120081979 has 2 divisors, whose sum is σ = 120081980. Its totient is φ = 120081978.

The previous prime is 120081917. The next prime is 120082009. The reversal of 120081979 is 979180021.

It is a strong prime.

It is an emirp because it is prime and its reverse (979180021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120081979 - 2¹⁵ = 120049211 is a prime.

It is not a weakly prime, because it can be changed into another prime (120081079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60040989 + 60040990.

It is an arithmetic number, because the mean of its divisors is an integer number (60040990).

Almost surely, 2^120081979 is an apocalyptic number.

120081979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120081979 is an equidigital number, since it uses as much as digits as its factorization.

120081979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 120081979 is about 10958.1923235541. The cubic root of 120081979 is about 493.3547101868.

The spelling of 120081979 in words is "one hundred twenty million, eighty-one thousand, nine hundred seventy-nine".