1173312125 has 16 divisors (see below), whose sum is σ = 1488308016. Its totient is φ = 923256000.

The previous prime is 1173312067. The next prime is 1173312163. The reversal of 1173312125 is 5212133711.

It can be written as a sum of positive squares in 8 ways, for example, as 787700356 + 385611769 = 28066^2 + 19637^2 .

It is not a de Polignac number, because 1173312125 - 2⁸ = 1173311869 is a prime.

It is a super-2 number, since 2×1173312125² = 2753322685344031250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1173312094 and 1173312103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69314 + ... + 84563.

It is an arithmetic number, because the mean of its divisors is an integer number (93019251).

Almost surely, 2^1173312125 is an apocalyptic number.

It is an amenable number.

1173312125 is a deficient number, since it is larger than the sum of its proper divisors (314995891).

1173312125 is an equidigital number, since it uses as much as digits as its factorization.

1173312125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153953 (or 153943 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 1173312125 is about 34253.6439667373. The cubic root of 1173312125 is about 1054.7216309211.

Adding to 1173312125 its reverse (5212133711), we get a palindrome (6385445836).

The spelling of 1173312125 in words is "one billion, one hundred seventy-three million, three hundred twelve thousand, one hundred twenty-five".