120221879 has 2 divisors, whose sum is σ = 120221880. Its totient is φ = 120221878.

The previous prime is 120221867. The next prime is 120221891. The reversal of 120221879 is 978122021.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (120221867) and next prime (120221891).

It is a cyclic number.

It is not a de Polignac number, because 120221879 - 2⁴ = 120221863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120221779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110939 + 60110940.

It is an arithmetic number, because the mean of its divisors is an integer number (60110940).

Almost surely, 2^120221879 is an apocalyptic number.

120221879 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221879 is an equidigital number, since it uses as much as digits as its factorization.

120221879 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 32.

The square root of 120221879 is about 10964.5738175271. The cubic root of 120221879 is about 493.5462280652.

The spelling of 120221879 in words is "one hundred twenty million, two hundred twenty-one thousand, eight hundred seventy-nine".