1323087146 has 4 divisors (see below), whose sum is σ = 1984630722. Its totient is φ = 661543572.

The previous prime is 1323087131. The next prime is 1323087187. The reversal of 1323087146 is 6417803231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1295640025 + 27447121 = 35995^2 + 5239^2 .

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 as a sum of consecutive naturals, namely, 330771785 + ... + 330771788.

Almost surely, 2^1323087146 is an apocalyptic number.

1323087146 is a deficient number, since it is larger than the sum of its proper divisors (661543576).

1323087146 is an equidigital number, since it uses as much as digits as its factorization.

1323087146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661543575.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1323087146 is about 36374.2648860427. The cubic root of 1323087146 is about 1097.8158163216.

The spelling of 1323087146 in words is "one billion, three hundred twenty-three million, eighty-seven thousand, one hundred forty-six".