1190808225 has 18 divisors (see below), whose sum is σ = 2132870246. Its totient is φ = 635097600.

The previous prime is 1190808191. The next prime is 1190808253. The reversal of 1190808225 is 5228080911.

It can be written as a sum of positive squares in 3 ways, for example, as 194017041 + 996791184 = 13929^2 + 31572^2 .

It is not a de Polignac number, because 1190808225 - 2⁶ = 1190808161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1190808225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2646016 + ... + 2646465.

Almost surely, 2^1190808225 is an apocalyptic number.

1190808225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1190808225 is a deficient number, since it is larger than the sum of its proper divisors (942062021).

1190808225 is a wasteful number, since it uses less digits than its factorization.

1190808225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292497 (or 5292489 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1190808225 is about 34508.0892690395. The cubic root of 1190808225 is about 1059.9383567452.

The spelling of 1190808225 in words is "one billion, one hundred ninety million, eight hundred eight thousand, two hundred twenty-five".