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1112249 = 3135879

1112249 has 4 divisors (see below), whose sum is σ = 1148160. Its totient is φ = 1076340.

The previous prime is 1112239. The next prime is 1112269. The reversal of 1112249 is 9422111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9422111 = 23409657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112249 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1112249.

It is not an unprimeable number, because it can be changed into a prime (1112239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17909 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (287040).

21112249 is an apocalyptic number.

It is an amenable number.

1112249 is a deficient number, since it is larger than the sum of its proper divisors (35911).

1112249 is an equidigital number, since it uses as much as digits as its factorization.

1112249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35910.

The product of its digits is 144, while the sum is 20.

The square root of 1112249 is about 1054.6321633631. The cubic root of 1112249 is about 103.6097616558.

The spelling of 1112249 in words is "one million, one hundred twelve thousand, two hundred forty-nine".

Divisors: 1 31 35879 1112249