1322131505 has 8 divisors (see below), whose sum is σ = 1591353024. Its totient is φ = 1054508400.

The previous prime is 1322131487. The next prime is 1322131519. The reversal of 1322131505 is 5051312231.

It is a happy number.

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

It is not a de Polignac number, because 1322131505 - 2⁶ = 1322131441 is a prime.

It is a super-3 number, since 3×1322131505³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397781 + ... + 401090.

It is an arithmetic number, because the mean of its divisors is an integer number (198919128).

Almost surely, 2^1322131505 is an apocalyptic number.

It is an amenable number.

1322131505 is a deficient number, since it is larger than the sum of its proper divisors (269221519).

1322131505 is an equidigital number, since it uses as much as digits as its factorization.

1322131505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799207.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1322131505 is about 36361.1262889367. The cubic root of 1322131505 is about 1097.5514420776.

Adding to 1322131505 its reverse (5051312231), we get a palindrome (6373443736).

The spelling of 1322131505 in words is "one billion, three hundred twenty-two million, one hundred thirty-one thousand, five hundred five".