113122305 has 16 divisors (see below), whose sum is σ = 201106560. Its totient is φ = 60331824.

The previous prime is 113122297. The next prime is 113122307. The reversal of 113122305 is 503221311.

It is not a de Polignac number, because 113122305 - 2³ = 113122297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113122307) 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, 418837 + ... + 419106.

It is an arithmetic number, because the mean of its divisors is an integer number (12569160).

Almost surely, 2^113122305 is an apocalyptic number.

113122305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113122305 is a deficient number, since it is larger than the sum of its proper divisors (87984255).

113122305 is an equidigital number, since it uses as much as digits as its factorization.

113122305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837957 (or 837951 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 113122305 is about 10635.8970002534. The cubic root of 113122305 is about 483.6331729179.

Adding to 113122305 its reverse (503221311), we get a palindrome (616343616).

It can be divided in two parts, 1131 and 22305, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 113122305 in words is "one hundred thirteen million, one hundred twenty-two thousand, three hundred five".