1320411995 has 8 divisors (see below), whose sum is σ = 1810850784. Its totient is φ = 905425344.

The previous prime is 1320411971. The next prime is 1320412001. The reversal of 1320411995 is 5991140231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1320411995 - 2²² = 1316217691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 37726057 = 1320411995 / (1 + 3 + 2 + 0 + 4 + 1 + 1 + 9 + 9 + 5).

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18862994 + ... + 18863063.

It is an arithmetic number, because the mean of its divisors is an integer number (226356348).

Almost surely, 2^1320411995 is an apocalyptic number.

1320411995 is a deficient number, since it is larger than the sum of its proper divisors (490438789).

1320411995 is an equidigital number, since it uses as much as digits as its factorization.

1320411995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37726069.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1320411995 is about 36337.4737014009. The cubic root of 1320411995 is about 1097.0754255278.

The spelling of 1320411995 in words is "one billion, three hundred twenty million, four hundred eleven thousand, nine hundred ninety-five".