1112005546 has 4 divisors (see below), whose sum is σ = 1668008322. Its totient is φ = 556002772.

The previous prime is 1112005519. The next prime is 1112005549. The reversal of 1112005546 is 6455002111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 870545025 + 241460521 = 29505^2 + 15539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1112005546.

It is not an unprimeable number, because it can be changed into a prime (1112005549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278001385 + ... + 278001388.

Almost surely, 2^1112005546 is an apocalyptic number.

1112005546 is a deficient number, since it is larger than the sum of its proper divisors (556002776).

1112005546 is an equidigital number, since it uses as much as digits as its factorization.

1112005546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556002775.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1112005546 is about 33346.7471577064. The cubic root of 1112005546 is about 1036.0220158259.

Adding to 1112005546 its reverse (6455002111), we get a palindrome (7567007657).

The spelling of 1112005546 in words is "one billion, one hundred twelve million, five thousand, five hundred forty-six".