1320724403699 has 8 divisors (see below), whose sum is σ = 1390638434640. Its totient is φ = 1250850594816.

The previous prime is 1320724403683. The next prime is 1320724403717. The reversal of 1320724403699 is 9963044270231.

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 1320724403699 - 2⁴ = 1320724403683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320724403629) 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, 9988094 + ... + 10119459.

It is an arithmetic number, because the mean of its divisors is an integer number (173829804330).

Almost surely, 2^{1320724403699} is an apocalyptic number.

1320724403699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1320724403699 is a deficient number, since it is larger than the sum of its proper divisors (69914030941).

1320724403699 is a wasteful number, since it uses less digits than its factorization.

1320724403699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111029.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 1320724403699 in words is "one trillion, three hundred twenty billion, seven hundred twenty-four million, four hundred three thousand, six hundred ninety-nine".