113120205 has 32 divisors (see below), whose sum is σ = 207843840. Its totient is φ = 51958080.

The previous prime is 113120197. The next prime is 113120221. The reversal of 113120205 is 502021311.

It is not a de Polignac number, because 113120205 - 2³ = 113120197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14907 + ... + 21176.

It is an arithmetic number, because the mean of its divisors is an integer number (6495120).

Almost surely, 2^113120205 is an apocalyptic number.

113120205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113120205 is a deficient number, since it is larger than the sum of its proper divisors (94723635).

113120205 is a wasteful number, since it uses less digits than its factorization.

113120205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36121.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 113120205 is about 10635.7982775154. The cubic root of 113120205 is about 483.6301801808.

Adding to 113120205 its reverse (502021311), we get a palindrome (615141516).

The spelling of 113120205 in words is "one hundred thirteen million, one hundred twenty thousand, two hundred five".