1282022879 has 8 divisors (see below), whose sum is σ = 1321368528. Its totient is φ = 1242924480.

The previous prime is 1282022869. The next prime is 1282022893. The reversal of 1282022879 is 9782202821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1282022879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282022849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51257 + ... + 72050.

It is an arithmetic number, because the mean of its divisors is an integer number (165171066).

Almost surely, 2^1282022879 is an apocalyptic number.

1282022879 is a deficient number, since it is larger than the sum of its proper divisors (39345649).

1282022879 is a wasteful number, since it uses less digits than its factorization.

1282022879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123625.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1282022879 is about 35805.3470727488. The cubic root of 1282022879 is about 1086.3387183413.

The spelling of 1282022879 in words is "one billion, two hundred eighty-two million, twenty-two thousand, eight hundred seventy-nine".