1122002879 has 4 divisors (see below), whose sum is σ = 1126818576. Its totient is φ = 1117187184.

The previous prime is 1122002851. The next prime is 1122002927. The reversal of 1122002879 is 9782002211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122002879 - 2¹² = 1121998783 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 (1122008879) 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 in 3 ways as a sum of consecutive naturals, for example, 2407499 + ... + 2407964.

It is an arithmetic number, because the mean of its divisors is an integer number (281704644).

Almost surely, 2^1122002879 is an apocalyptic number.

1122002879 is a deficient number, since it is larger than the sum of its proper divisors (4815697).

1122002879 is an equidigital number, since it uses as much as digits as its factorization.

1122002879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815696.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1122002879 is about 33496.3114237971. The cubic root of 1122002879 is about 1039.1174956200.

The spelling of 1122002879 in words is "one billion, one hundred twenty-two million, two thousand, eight hundred seventy-nine".