1320717455 has 8 divisors (see below), whose sum is σ = 1668274800. Its totient is φ = 1000964736.

The previous prime is 1320717413. The next prime is 1320717457. The reversal of 1320717455 is 5547170231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320717455 - 2¹⁰ = 1320716431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320717457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6951050 + ... + 6951239.

It is an arithmetic number, because the mean of its divisors is an integer number (208534350).

Almost surely, 2^1320717455 is an apocalyptic number.

1320717455 is a deficient number, since it is larger than the sum of its proper divisors (347557345).

1320717455 is a wasteful number, since it uses less digits than its factorization.

1320717455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902313.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1320717455 is about 36341.6765573632. The cubic root of 1320717455 is about 1097.1600170096.

Adding to 1320717455 its reverse (5547170231), we get a palindrome (6867887686).

The spelling of 1320717455 in words is "one billion, three hundred twenty million, seven hundred seventeen thousand, four hundred fifty-five".