1171171625 has 32 divisors (see below), whose sum is σ = 1596381696. Its totient is φ = 852600000.

The previous prime is 1171171613. The next prime is 1171171637. The reversal of 1171171625 is 5261711711.

It is an interprime number because it is at equal distance from previous prime (1171171613) and next prime (1171171637).

It is not a de Polignac number, because 1171171625 - 2¹⁴ = 1171155241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1171171591 and 1171171600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110300 + ... + 120450.

It is an arithmetic number, because the mean of its divisors is an integer number (49886928).

Almost surely, 2^1171171625 is an apocalyptic number.

It is an amenable number.

1171171625 is a deficient number, since it is larger than the sum of its proper divisors (425210071).

1171171625 is a wasteful number, since it uses less digits than its factorization.

1171171625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250 (or 10240 counting only the distinct ones).

The product of its digits is 2940, while the sum is 32.

The square root of 1171171625 is about 34222.3848526078. The cubic root of 1171171625 is about 1054.0798562734.

The spelling of 1171171625 in words is "one billion, one hundred seventy-one million, one hundred seventy-one thousand, six hundred twenty-five".