120772279 has 2 divisors, whose sum is σ = 120772280. Its totient is φ = 120772278.

The previous prime is 120772273. The next prime is 120772283. The reversal of 120772279 is 972277021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120772279 - 2⁵ = 120772247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120772273) 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, 60386139 + 60386140.

It is an arithmetic number, because the mean of its divisors is an integer number (60386140).

Almost surely, 2^120772279 is an apocalyptic number.

120772279 is a deficient number, since it is larger than the sum of its proper divisors (1).

120772279 is an equidigital number, since it uses as much as digits as its factorization.

120772279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 120772279 is about 10989.6441707637. The cubic root of 120772279 is about 494.2982662813.

It can be divided in two parts, 1207722 and 79, that added together give a square (1207801 = 1099²).

The spelling of 120772279 in words is "one hundred twenty million, seven hundred seventy-two thousand, two hundred seventy-nine".