1320052401 has 6 divisors (see below), whose sum is σ = 1906742370. Its totient is φ = 880034928.

The previous prime is 1320052381. The next prime is 1320052411. The reversal of 1320052401 is 1042500231.

1320052401 is a `hidden beast` number, since 13 + 200 + 52 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 918090000 + 401962401 = 30300^2 + 20049^2 .

It is not a de Polignac number, because 1320052401 - 2⁵ = 1320052369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320052411) 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 5 ways as a sum of consecutive naturals, for example, 73336236 + ... + 73336253.

It is an arithmetic number, because the mean of its divisors is an integer number (317790395).

Almost surely, 2^1320052401 is an apocalyptic number.

It is an amenable number.

1320052401 is a deficient number, since it is larger than the sum of its proper divisors (586689969).

1320052401 is a wasteful number, since it uses less digits than its factorization.

1320052401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146672495 (or 146672492 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1320052401 is about 36332.5253870413. The cubic root of 1320052401 is about 1096.9758259181.

Adding to 1320052401 its reverse (1042500231), we get a palindrome (2362552632).

The spelling of 1320052401 in words is "one billion, three hundred twenty million, fifty-two thousand, four hundred one".