1320322320129 has 8 divisors (see below), whose sum is σ = 1769365952640. Its totient is φ = 875746783856.

The previous prime is 1320322320101. The next prime is 1320322320133. The reversal of 1320322320129 is 9210232230231.

It is a happy number.

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 1320322320129 - 2⁷ = 1320322320001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320322320096 and 1320322320105.

It is not an unprimeable number, because it can be changed into a prime (1320322520129) 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, 1117023369 + ... + 1117024550.

It is an arithmetic number, because the mean of its divisors is an integer number (221170744080).

Almost surely, 2^{1320322320129} is an apocalyptic number.

It is an amenable number.

1320322320129 is a deficient number, since it is larger than the sum of its proper divisors (449043632511).

1320322320129 is a wasteful number, since it uses less digits than its factorization.

1320322320129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234048119.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 1320322320129 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, three hundred twenty thousand, one hundred twenty-nine".