1320626227 has 4 divisors (see below), whose sum is σ = 1322802496. Its totient is φ = 1318449960.

The previous prime is 1320626221. The next prime is 1320626231. The reversal of 1320626227 is 7226260231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320626227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320626221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087224 + ... + 1088437.

It is an arithmetic number, because the mean of its divisors is an integer number (330700624).

Almost surely, 2^1320626227 is an apocalyptic number.

1320626227 is a deficient number, since it is larger than the sum of its proper divisors (2176269).

1320626227 is an equidigital number, since it uses as much as digits as its factorization.

1320626227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176268.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1320626227 is about 36340.4213927137. The cubic root of 1320626227 is about 1097.1347544731.

Adding to 1320626227 its reverse (7226260231), we get a palindrome (8546886458).

The spelling of 1320626227 in words is "one billion, three hundred twenty million, six hundred twenty-six thousand, two hundred twenty-seven".