1197685225 has 36 divisors (see below), whose sum is σ = 1639387260. Its totient is φ = 867328000.

The previous prime is 1197685219. The next prime is 1197685243. The reversal of 1197685225 is 5225867911.

It can be written as a sum of positive squares in 6 ways, for example, as 171636201 + 1026049024 = 13101^2 + 32032^2 .

It is not a de Polignac number, because 1197685225 - 2⁹ = 1197684713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 849321 + ... + 850729.

It is an arithmetic number, because the mean of its divisors is an integer number (45538535).

Almost surely, 2^1197685225 is an apocalyptic number.

It is an amenable number.

1197685225 is a deficient number, since it is larger than the sum of its proper divisors (441702035).

1197685225 is a wasteful number, since it uses less digits than its factorization.

1197685225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1706 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The square root of 1197685225 is about 34607.5891243525. The cubic root of 1197685225 is about 1061.9748472851.

The spelling of 1197685225 in words is "one billion, one hundred ninety-seven million, six hundred eighty-five thousand, two hundred twenty-five".