1320346641 has 8 divisors (see below), whose sum is σ = 1761056640. Its totient is φ = 879933872.

The previous prime is 1320346631. The next prime is 1320346661. The reversal of 1320346641 is 1466430231.

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 1320346641 - 2²⁹ = 783475729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320346599 and 1320346608.

It is not an unprimeable number, because it can be changed into a prime (1320346631) 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, 63726 + ... + 81863.

It is an arithmetic number, because the mean of its divisors is an integer number (220132080).

Almost surely, 2^1320346641 is an apocalyptic number.

It is an amenable number.

1320346641 is a deficient number, since it is larger than the sum of its proper divisors (440709999).

1320346641 is a wasteful number, since it uses less digits than its factorization.

1320346641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148615.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1320346641 is about 36336.5744257766. The cubic root of 1320346641 is about 1097.0573252554.

Adding to 1320346641 its reverse (1466430231), we get a palindrome (2786776872).

The spelling of 1320346641 in words is "one billion, three hundred twenty million, three hundred forty-six thousand, six hundred forty-one".