1122004249 has 4 divisors (see below), whose sum is σ = 1122072100. Its totient is φ = 1121936400.

The previous prime is 1122004211. The next prime is 1122004291. The reversal of 1122004249 is 9424002211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 266734224 + 855270025 = 16332^2 + 29245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122004249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122004349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8899 + ... + 48199.

It is an arithmetic number, because the mean of its divisors is an integer number (280518025).

Almost surely, 2^1122004249 is an apocalyptic number.

It is an amenable number.

1122004249 is a deficient number, since it is larger than the sum of its proper divisors (67851).

1122004249 is an equidigital number, since it uses as much as digits as its factorization.

1122004249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67850.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1122004249 is about 33496.3318738037. The cubic root of 1122004249 is about 1039.1179185513.

The spelling of 1122004249 in words is "one billion, one hundred twenty-two million, four thousand, two hundred forty-nine".