1302243122 has 8 divisors (see below), whose sum is σ = 1958899356. Its totient is φ = 649276672.

The previous prime is 1302243119. The next prime is 1302243143. The reversal of 1302243122 is 2213422031.

It can be written as a sum of positive squares in 2 ways, for example, as 1209717961 + 92525161 = 34781^2 + 9619^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1302243094 and 1302243103.

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 in 3 ways as a sum of consecutive naturals, for example, 921563 + ... + 922974.

Almost surely, 2^1302243122 is an apocalyptic number.

1302243122 is a deficient number, since it is larger than the sum of its proper divisors (656656234).

1302243122 is a wasteful number, since it uses less digits than its factorization.

1302243122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844892.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1302243122 is about 36086.6058531417. The cubic root of 1302243122 is about 1092.0202473358.

Adding to 1302243122 its reverse (2213422031), we get a palindrome (3515665153).

The spelling of 1302243122 in words is "one billion, three hundred two million, two hundred forty-three thousand, one hundred twenty-two".