1321130122 has 24 divisors (see below), whose sum is σ = 2148478560. Its totient is φ = 609008400.

The previous prime is 1321130117. The next prime is 1321130137. The reversal of 1321130122 is 2210311231.

It is a super-3 number, since 3×1321130122³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321130096 and 1321130105.

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 11 ways as a sum of consecutive naturals, for example, 353379 + ... + 357097.

It is an arithmetic number, because the mean of its divisors is an integer number (89519940).

Almost surely, 2^1321130122 is an apocalyptic number.

1321130122 is a deficient number, since it is larger than the sum of its proper divisors (827348438).

1321130122 is a wasteful number, since it uses less digits than its factorization.

1321130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4785 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1321130122 is about 36347.3537138538. The cubic root of 1321130122 is about 1097.2742767712.

Adding to 1321130122 its reverse (2210311231), we get a palindrome (3531441353).

The spelling of 1321130122 in words is "one billion, three hundred twenty-one million, one hundred thirty thousand, one hundred twenty-two".