1002322120 has 32 divisors (see below), whose sum is σ = 2286124920. Its totient is φ = 395435520.

The previous prime is 1002322117. The next prime is 1002322127. The reversal of 1002322120 is 212232001.

It can be written as a sum of positive squares in 4 ways, for example, as 678394116 + 323928004 = 26046^2 + 17998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1002322120.

It is not an unprimeable number, because it can be changed into a prime (1002322127) 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 7 ways as a sum of consecutive naturals, for example, 168711 + ... + 174550.

Almost surely, 2^1002322120 is an apocalyptic number.

1002322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002322120 is an abundant number, since it is smaller than the sum of its proper divisors (1283802800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002322120 is a wasteful number, since it uses less digits than its factorization.

1002322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343345 (or 343341 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1002322120 is about 31659.4712526915. The cubic root of 1002322120 is about 1000.7734416338.

Adding to 1002322120 its reverse (212232001), we get a palindrome (1214554121).

The spelling of 1002322120 in words is "one billion, two million, three hundred twenty-two thousand, one hundred twenty".