113124309 has 16 divisors (see below), whose sum is σ = 159794880. Its totient is φ = 70986240.

The previous prime is 113124293. The next prime is 113124337. The reversal of 113124309 is 903421311.

It is not a de Polignac number, because 113124309 - 2⁴ = 113124293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113124379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2629 + ... + 15269.

It is an arithmetic number, because the mean of its divisors is an integer number (9987180).

Almost surely, 2^113124309 is an apocalyptic number.

113124309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113124309 is a deficient number, since it is larger than the sum of its proper divisors (46670571).

113124309 is a wasteful number, since it uses less digits than its factorization.

113124309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 113124309 is about 10635.9912090975. The cubic root of 113124309 is about 483.6360288096.

The spelling of 113124309 in words is "one hundred thirteen million, one hundred twenty-four thousand, three hundred nine".