112749205 has 8 divisors (see below), whose sum is σ = 136819800. Its totient is φ = 89185536.

The previous prime is 112749137. The next prime is 112749209. The reversal of 112749205 is 502947211.

It can be written as a sum of positive squares in 4 ways, for example, as 1615441 + 111133764 = 1271^2 + 10542^2 .

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 112749205 - 2⁹ = 112748693 is a prime.

It is a super-3 number, since 3×112749205³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112749209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126240 + ... + 127129.

It is an arithmetic number, because the mean of its divisors is an integer number (17102475).

Almost surely, 2^112749205 is an apocalyptic number.

It is an amenable number.

112749205 is a deficient number, since it is larger than the sum of its proper divisors (24070595).

112749205 is an equidigital number, since it uses as much as digits as its factorization.

112749205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253463.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 112749205 is about 10618.3428556437. The cubic root of 112749205 is about 483.1008809567.

The spelling of 112749205 in words is "one hundred twelve million, seven hundred forty-nine thousand, two hundred five".