1320245420061 has 4 divisors (see below), whose sum is σ = 1760327226752. Its totient is φ = 880163613372.

The previous prime is 1320245420059. The next prime is 1320245420063. The reversal of 1320245420061 is 1600245420231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1320245420059) and next prime (1320245420063).

It is not a de Polignac number, because 1320245420061 - 2¹ = 1320245420059 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 (1320245420063) 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 3 ways as a sum of consecutive naturals, for example, 220040903341 + ... + 220040903346.

It is an arithmetic number, because the mean of its divisors is an integer number (440081806688).

Almost surely, 2^{1320245420061} is an apocalyptic number.

It is an amenable number.

1320245420061 is a deficient number, since it is larger than the sum of its proper divisors (440081806691).

1320245420061 is an equidigital number, since it uses as much as digits as its factorization.

1320245420061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440081806690.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 1320245420061 in words is "one trillion, three hundred twenty billion, two hundred forty-five million, four hundred twenty thousand, sixty-one".