112640249 has 8 divisors (see below), whose sum is σ = 119652840. Its totient is φ = 105670656.

The previous prime is 112640239. The next prime is 112640261. The reversal of 112640249 is 942046211.

It can be written as a sum of positive squares in 4 ways, for example, as 25684624 + 86955625 = 5068^2 + 9325^2 .

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 112640249 - 2⁴ = 112640233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112640239) 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, 5264 + ... + 15905.

It is an arithmetic number, because the mean of its divisors is an integer number (14956605).

Almost surely, 2^112640249 is an apocalyptic number.

It is an amenable number.

112640249 is a deficient number, since it is larger than the sum of its proper divisors (7012591).

112640249 is a wasteful number, since it uses less digits than its factorization.

112640249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21499.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 112640249 is about 10613.2110598065. The cubic root of 112640249 is about 482.9452148067.

The spelling of 112640249 in words is "one hundred twelve million, six hundred forty thousand, two hundred forty-nine".