1320453215 has 8 divisors (see below), whose sum is σ = 1635658368. Its totient is φ = 1022286240.

The previous prime is 1320453181. The next prime is 1320453227. The reversal of 1320453215 is 5123540231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320453215 - 2¹⁸ = 1320191071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259372 + ... + 4259681.

It is an arithmetic number, because the mean of its divisors is an integer number (204457296).

Almost surely, 2^1320453215 is an apocalyptic number.

1320453215 is a deficient number, since it is larger than the sum of its proper divisors (315205153).

1320453215 is an equidigital number, since it uses as much as digits as its factorization.

1320453215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519089.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1320453215 is about 36338.0408800475. The cubic root of 1320453215 is about 1097.0868414037.

Adding to 1320453215 its reverse (5123540231), we get a palindrome (6443993446).

The spelling of 1320453215 in words is "one billion, three hundred twenty million, four hundred fifty-three thousand, two hundred fifteen".