1171688425 has 12 divisors (see below), whose sum is σ = 1516063680. Its totient is φ = 896595920.

The previous prime is 1171688423. The next prime is 1171688449. The reversal of 1171688425 is 5248861711.

It is not a de Polignac number, because 1171688425 - 2¹ = 1171688423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1171688423) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1018285 + ... + 1019434.

It is an arithmetic number, because the mean of its divisors is an integer number (126338640).

Almost surely, 2^1171688425 is an apocalyptic number.

It is an amenable number.

1171688425 is a deficient number, since it is larger than the sum of its proper divisors (344375255).

1171688425 is a wasteful number, since it uses less digits than its factorization.

1171688425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037752 (or 2037747 counting only the distinct ones).

The product of its digits is 107520, while the sum is 43.

The square root of 1171688425 is about 34229.9346333001. The cubic root of 1171688425 is about 1054.2348772088.

The spelling of 1171688425 in words is "one billion, one hundred seventy-one million, six hundred eighty-eight thousand, four hundred twenty-five".