1320036463 has 4 divisors (see below), whose sum is σ = 1320281928. Its totient is φ = 1319791000.

The previous prime is 1320036461. The next prime is 1320036469. The reversal of 1320036463 is 3646300231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3646300231 = 7 ⋅520900033.

It is a cyclic number.

It is not a de Polignac number, because 1320036463 - 2¹ = 1320036461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320036461) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 114481 + ... + 125482.

It is an arithmetic number, because the mean of its divisors is an integer number (330070482).

Almost surely, 2^1320036463 is an apocalyptic number.

1320036463 is a deficient number, since it is larger than the sum of its proper divisors (245465).

1320036463 is an equidigital number, since it uses as much as digits as its factorization.

1320036463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245464.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 1320036463 is about 36332.3060512266. The cubic root of 1320036463 is about 1096.9714110249.

Adding to 1320036463 its reverse (3646300231), we get a palindrome (4966336694).

The spelling of 1320036463 in words is "one billion, three hundred twenty million, thirty-six thousand, four hundred sixty-three".