113125401 has 6 divisors (see below), whose sum is σ = 163403370. Its totient is φ = 75416928.

The previous prime is 113125379. The next prime is 113125403. The reversal of 113125401 is 104521311.

113125401 is a `hidden beast` number, since 113 + 12 + 540 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70157376 + 42968025 = 8376^2 + 6555^2 .

It is a de Polignac number, because none of the positive numbers 2^k-113125401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113125403) 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 5 ways as a sum of consecutive naturals, for example, 6284736 + ... + 6284753.

It is an arithmetic number, because the mean of its divisors is an integer number (27233895).

Almost surely, 2^113125401 is an apocalyptic number.

It is an amenable number.

113125401 is a deficient number, since it is larger than the sum of its proper divisors (50277969).

113125401 is a wasteful number, since it uses less digits than its factorization.

113125401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12569495 (or 12569492 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 113125401 is about 10636.0425441045. The cubic root of 113125401 is about 483.6375849999.

Adding to 113125401 its reverse (104521311), we get a palindrome (217646712).

It can be divided in two parts, 113125 and 401, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 113125401 in words is "one hundred thirteen million, one hundred twenty-five thousand, four hundred one".