1320541401 has 16 divisors (see below), whose sum is σ = 1861574400. Its totient is φ = 830343888.

The previous prime is 1320541373. The next prime is 1320541447. The reversal of 1320541401 is 1041450231.

It is not a de Polignac number, because 1320541401 - 2⁶ = 1320541337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320541451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38091 + ... + 63968.

It is an arithmetic number, because the mean of its divisors is an integer number (116348400).

Almost surely, 2^1320541401 is an apocalyptic number.

It is an amenable number.

1320541401 is a deficient number, since it is larger than the sum of its proper divisors (541032999).

1320541401 is a wasteful number, since it uses less digits than its factorization.

1320541401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102308.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1320541401 is about 36339.2542713799. The cubic root of 1320541401 is about 1097.1112637120. Note that the first 3 decimals are identical.

Adding to 1320541401 its reverse (1041450231), we get a palindrome (2361991632).

The spelling of 1320541401 in words is "one billion, three hundred twenty million, five hundred forty-one thousand, four hundred one".