113125005 has 96 divisors (see below), whose sum is σ = 238178304. Its totient is φ = 50435136.

The previous prime is 113124997. The next prime is 113125009. The reversal of 113125005 is 500521311.

It is not a de Polignac number, because 113125005 - 2³ = 113124997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113125009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 399594 + ... + 399876.

It is an arithmetic number, because the mean of its divisors is an integer number (2481024).

Almost surely, 2^113125005 is an apocalyptic number.

113125005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113125005 is an abundant number, since it is smaller than the sum of its proper divisors (125053299).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113125005 is an equidigital number, since it uses as much as digits as its factorization.

113125005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 113125005 is about 10636.0239281416. The cubic root of 113125005 is about 483.6370206683.

Adding to 113125005 its reverse (500521311), we get a palindrome (613646316).

The spelling of 113125005 in words is "one hundred thirteen million, one hundred twenty-five thousand, five".