1195313920 has 36 divisors (see below), whose sum is σ = 2863153440. Its totient is φ = 478125056.

The previous prime is 1195313893. The next prime is 1195313923. The reversal of 1195313920 is 293135911.

It is not an unprimeable number, because it can be changed into a prime (1195313923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465640 + ... + 468199.

It is an arithmetic number, because the mean of its divisors is an integer number (79532040).

Almost surely, 2^1195313920 is an apocalyptic number.

1195313920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1195313920 is an abundant number, since it is smaller than the sum of its proper divisors (1667839520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1195313920 is an frugal number, since it uses more digits than its factorization.

1195313920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933860 (or 933846 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1195313920 is about 34573.3122509256. The cubic root of 1195313920 is about 1061.2735138517.

The spelling of 1195313920 in words is "one billion, one hundred ninety-five million, three hundred thirteen thousand, nine hundred twenty".