113123101 has 8 divisors (see below), whose sum is σ = 139228544. Its totient is φ = 89503920.

The previous prime is 113123089. The next prime is 113123137. The reversal of 113123101 is 101321311.

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 113123101 - 2⁵ = 113123069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113123201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621465 + ... + 621646.

It is an arithmetic number, because the mean of its divisors is an integer number (17403568).

Almost surely, 2^113123101 is an apocalyptic number.

It is an amenable number.

113123101 is a deficient number, since it is larger than the sum of its proper divisors (26105443).

113123101 is a wasteful number, since it uses less digits than its factorization.

113123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243131.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 113123101 is about 10635.9344206327. The cubic root of 113123101 is about 483.6343072981.

Adding to 113123101 its reverse (101321311), we get a palindrome (214444412).

The spelling of 113123101 in words is "one hundred thirteen million, one hundred twenty-three thousand, one hundred one".