1320450244 has 9 divisors (see below), whose sum is σ = 2310915117. Its totient is φ = 660188784.

The previous prime is 1320450211. The next prime is 1320450269. The reversal of 1320450244 is 4420540231.

It is a happy number.

The square root of 1320450244 is 36338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 191490244 + 1128960000 = 13838^2 + 33600^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 63592 + ... + 81760.

Almost surely, 2^1320450244 is an apocalyptic number.

1320450244 is the 36338-th square number.

It is an amenable number.

1320450244 is a deficient number, since it is larger than the sum of its proper divisors (990464873).

1320450244 is an frugal number, since it uses more digits than its factorization.

1320450244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36342 (or 18171 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The cubic root of 1320450244 is about 1097.0860185935.

Multiplying 1320450244 by its sum of digits (25), we get a square (33011256100 = 181690²).

Adding to 1320450244 its reverse (4420540231), we get a palindrome (5740990475).

The spelling of 1320450244 in words is "one billion, three hundred twenty million, four hundred fifty thousand, two hundred forty-four".