1195807860900 has 81 divisors (see below), whose sum is σ = 3748296137313. Its totient is φ = 318873348000.

The previous prime is 1195807860893. The next prime is 1195807860913. The reversal of 1195807860900 is 90687085911.

The square root of 1195807860900 is 1093530.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 430490829924 + 765317030976 = 656118^2 + 874824^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32787675 + ... + 32824125.

Almost surely, 2^{1195807860900} is an apocalyptic number.

1195807860900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1195807860900 is the 1093530-th square number.

It is an amenable number.

1195807860900 is an abundant number, since it is smaller than the sum of its proper divisors (2552488276413).

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

1195807860900 is an frugal number, since it uses more digits than its factorization.

1195807860900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72922 (or 36461 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 1195807860900 in words is "one trillion, one hundred ninety-five billion, eight hundred seven million, eight hundred sixty thousand, nine hundred".