117145625 has 10 divisors (see below), whose sum is σ = 146385954. Its totient is φ = 93716000.

The previous prime is 117145603. The next prime is 117145661. The reversal of 117145625 is 526541711.

It can be written as a sum of positive squares in 5 ways, for example, as 36917776 + 80227849 = 6076^2 + 8957^2 .

It is not a de Polignac number, because 117145625 - 2¹⁴ = 117129241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117145591 and 117145600.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 93092 + ... + 94341.

Almost surely, 2^117145625 is an apocalyptic number.

It is an amenable number.

117145625 is a deficient number, since it is larger than the sum of its proper divisors (29240329).

117145625 is an frugal number, since it uses more digits than its factorization.

117145625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187453 (or 187438 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 117145625 is about 10823.3832510911. The cubic root of 117145625 is about 489.3001601727.

The spelling of 117145625 in words is "one hundred seventeen million, one hundred forty-five thousand, six hundred twenty-five".