1320454337 has 2 divisors, whose sum is σ = 1320454338. Its totient is φ = 1320454336.

The previous prime is 1320454327. The next prime is 1320454537. The reversal of 1320454337 is 7334540231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707347216 + 613107121 = 26596^2 + 24761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320454337 - 2⁴ = 1320454321 is a prime.

It is a super-2 number, since 2×1320454337² = 3487199312204219138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1320454327) by changing a digit.

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 as a sum of consecutive naturals, namely, 660227168 + 660227169.

It is an arithmetic number, because the mean of its divisors is an integer number (660227169).

Almost surely, 2^1320454337 is an apocalyptic number.

It is an amenable number.

1320454337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320454337 is an equidigital number, since it uses as much as digits as its factorization.

1320454337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 1320454337 is about 36338.0563184109. The cubic root of 1320454337 is about 1097.0871521382.

Adding to 1320454337 its reverse (7334540231), we get a palindrome (8654994568).

The spelling of 1320454337 in words is "one billion, three hundred twenty million, four hundred fifty-four thousand, three hundred thirty-seven".