120866780282 has 4 divisors (see below), whose sum is σ = 181300170426. Its totient is φ = 60433390140.

The previous prime is 120866780273. The next prime is 120866780297. The reversal of 120866780282 is 282087668021.

It is a happy number.

It is a Cunningham number, because it is equal to 347659²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120866780281 + 1 = 347659^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120866780282.

It is an unprimeable number.

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, 30216695069 + ... + 30216695072.

Almost surely, 2^120866780282 is an apocalyptic number.

120866780282 is a deficient number, since it is larger than the sum of its proper divisors (60433390144).

120866780282 is an equidigital number, since it uses as much as digits as its factorization.

120866780282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60433390143.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 120866780282 in words is "one hundred twenty billion, eight hundred sixty-six million, seven hundred eighty thousand, two hundred eighty-two".