1320627351 has 4 divisors (see below), whose sum is σ = 1760836472. Its totient is φ = 880418232.

The previous prime is 1320627331. The next prime is 1320627353. The reversal of 1320627351 is 1537260231.

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

It is not a de Polignac number, because 1320627351 - 2¹⁷ = 1320496279 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 (1320627353) 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, 220104556 + ... + 220104561.

It is an arithmetic number, because the mean of its divisors is an integer number (440209118).

Almost surely, 2^1320627351 is an apocalyptic number.

1320627351 is a deficient number, since it is larger than the sum of its proper divisors (440209121).

1320627351 is an equidigital number, since it uses as much as digits as its factorization.

1320627351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440209120.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1320627351 is about 36340.4368575833. The cubic root of 1320627351 is about 1097.1350657343.

Adding to 1320627351 its reverse (1537260231), we get a palindrome (2857887582).

The spelling of 1320627351 in words is "one billion, three hundred twenty million, six hundred twenty-seven thousand, three hundred fifty-one".