1320552113 has 4 divisors (see below), whose sum is σ = 1332667380. Its totient is φ = 1308436848.

The previous prime is 1320552109. The next prime is 1320552119. The reversal of 1320552113 is 3112550231.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1059632704 + 260919409 = 32552^2 + 16153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320552113 - 2² = 1320552109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320552119) 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, 6057470 + ... + 6057687.

It is an arithmetic number, because the mean of its divisors is an integer number (333166845).

Almost surely, 2^1320552113 is an apocalyptic number.

It is an amenable number.

1320552113 is a deficient number, since it is larger than the sum of its proper divisors (12115267).

1320552113 is a wasteful number, since it uses less digits than its factorization.

1320552113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12115266.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1320552113 is about 36339.4016599063. The cubic root of 1320552113 is about 1097.1142302287.

The spelling of 1320552113 in words is "one billion, three hundred twenty million, five hundred fifty-two thousand, one hundred thirteen".