1320033103261 has 8 divisors (see below), whose sum is σ = 1331469066240. Its totient is φ = 1308613421808.

The previous prime is 1320033103243. The next prime is 1320033103267. The reversal of 1320033103261 is 1623013300231.

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 1320033103261 - 2⁹ = 1320033102749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320033103267) 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, 3907501 + ... + 4231858.

It is an arithmetic number, because the mean of its divisors is an integer number (166433633280).

Almost surely, 2^{1320033103261} is an apocalyptic number.

It is an amenable number.

1320033103261 is a deficient number, since it is larger than the sum of its proper divisors (11435962979).

1320033103261 is a wasteful number, since it uses less digits than its factorization.

1320033103261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140763.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1320033103261 its reverse (1623013300231), we get a palindrome (2943046403492).

The spelling of 1320033103261 in words is "one trillion, three hundred twenty billion, thirty-three million, one hundred three thousand, two hundred sixty-one".