113147101 has 4 divisors (see below), whose sum is σ = 113168412. Its totient is φ = 113125792.

The previous prime is 113147081. The next prime is 113147119. The reversal of 113147101 is 101741311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33062500 + 80084601 = 5750^2 + 8949^2 .

It is a cyclic number.

It is not a de Polignac number, because 113147101 - 2⁹ = 113146589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113147171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4401 + ... + 15673.

It is an arithmetic number, because the mean of its divisors is an integer number (28292103).

Almost surely, 2^113147101 is an apocalyptic number.

It is an amenable number.

113147101 is a deficient number, since it is larger than the sum of its proper divisors (21311).

113147101 is a wasteful number, since it uses less digits than its factorization.

113147101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21310.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 113147101 is about 10637.0626114543. The cubic root of 113147101 is about 483.6685072169.

Adding to 113147101 its reverse (101741311), we get a palindrome (214888412).

The spelling of 113147101 in words is "one hundred thirteen million, one hundred forty-seven thousand, one hundred one".