1320054601 has 4 divisors (see below), whose sum is σ = 1321420672. Its totient is φ = 1318688532.

The previous prime is 1320054559. The next prime is 1320054611. The reversal of 1320054601 is 1064500231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320054601 - 2¹⁷ = 1319923529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320054611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681585 + ... + 683518.

It is an arithmetic number, because the mean of its divisors is an integer number (330355168).

Almost surely, 2^1320054601 is an apocalyptic number.

It is an amenable number.

1320054601 is a deficient number, since it is larger than the sum of its proper divisors (1366071).

1320054601 is an equidigital number, since it uses as much as digits as its factorization.

1320054601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366070.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1320054601 is about 36332.5556629313. Note that the first 3 decimals coincide. The cubic root of 1320054601 is about 1096.9764353246.

Adding to 1320054601 its reverse (1064500231), we get a palindrome (2384554832).

The spelling of 1320054601 in words is "one billion, three hundred twenty million, fifty-four thousand, six hundred one".