1322121004 has 24 divisors (see below), whose sum is σ = 2436934640. Its totient is φ = 625895424.

The previous prime is 1322120977. The next prime is 1322121013. The reversal of 1322121004 is 4001212231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156472 + ... + 164704.

Almost surely, 2^1322121004 is an apocalyptic number.

It is an amenable number.

1322121004 is a deficient number, since it is larger than the sum of its proper divisors (1114813636).

1322121004 is a wasteful number, since it uses less digits than its factorization.

1322121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369 (or 10367 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1322121004 is about 36360.9818899325. The cubic root of 1322121004 is about 1097.5485363106.

Adding to 1322121004 its reverse (4001212231), we get a palindrome (5323333235).

It can be divided in two parts, 13221 and 21004, that added together give a square (34225 = 185²).

The spelling of 1322121004 in words is "one billion, three hundred twenty-two million, one hundred twenty-one thousand, four".