1171350625 has 25 divisors (see below), whose sum is σ = 1504378601. Its totient is φ = 911754000.

The previous prime is 1171350623. The next prime is 1171350673. The reversal of 1171350625 is 5260531711.

The square root of 1171350625 is 34225.

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

It can be written as a sum of positive squares in 12 ways, for example, as 768786529 + 402564096 = 27727^2 + 20064^2 .

It is a tau number, because it is divible by the number of its divisors (25).

It is not a de Polignac number, because 1171350625 - 2¹ = 1171350623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1171350623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 31658107 + ... + 31658143.

Almost surely, 2^1171350625 is an apocalyptic number.

1171350625 is the 34225-th square number.

1171350625 is the 17113-rd centered octagonal number.

It is an amenable number.

1171350625 is a deficient number, since it is larger than the sum of its proper divisors (333027976).

1171350625 is an frugal number, since it uses more digits than its factorization.

1171350625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The cubic root of 1171350625 is about 1054.1335548314.

The spelling of 1171350625 in words is "one billion, one hundred seventy-one million, three hundred fifty thousand, six hundred twenty-five".