113125505 has 8 divisors (see below), whose sum is σ = 136268352. Its totient is φ = 90155248.

The previous prime is 113125501. The next prime is 113125511. The reversal of 113125505 is 505521311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113125505 - 2² = 113125501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113125501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41699 + ... + 44328.

It is an arithmetic number, because the mean of its divisors is an integer number (17033544).

Almost surely, 2^113125505 is an apocalyptic number.

It is an amenable number.

113125505 is a deficient number, since it is larger than the sum of its proper divisors (23142847).

113125505 is an equidigital number, since it uses as much as digits as its factorization.

113125505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86295.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 113125505 is about 10636.0474331398. The cubic root of 113125505 is about 483.6377332080.

Adding to 113125505 its reverse (505521311), we get a palindrome (618646816).

The spelling of 113125505 in words is "one hundred thirteen million, one hundred twenty-five thousand, five hundred five".