1320479207 has 4 divisors (see below), whose sum is σ = 1325352096. Its totient is φ = 1315606320.

The previous prime is 1320479201. The next prime is 1320479213. The reversal of 1320479207 is 7029740231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7029740231 = 6211 ⋅1131821.

It is an interprime number because it is at equal distance from previous prime (1320479201) and next prime (1320479213).

It is a cyclic number.

It is not a de Polignac number, because 1320479207 - 2⁴ = 1320479191 is a prime.

It is a super-2 number, since 2×1320479207² = 3487330672238697698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320479201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436038 + ... + 2436579.

It is an arithmetic number, because the mean of its divisors is an integer number (331338024).

Almost surely, 2^1320479207 is an apocalyptic number.

1320479207 is a deficient number, since it is larger than the sum of its proper divisors (4872889).

1320479207 is an equidigital number, since it uses as much as digits as its factorization.

1320479207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872888.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1320479207 is about 36338.3985200229. The cubic root of 1320479207 is about 1097.0940397641.

The spelling of 1320479207 in words is "one billion, three hundred twenty million, four hundred seventy-nine thousand, two hundred seven".