1122042041 has 4 divisors (see below), whose sum is σ = 1188044532. Its totient is φ = 1056039552.

The previous prime is 1122042029. The next prime is 1122042049. The reversal of 1122042041 is 1402402211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 866713600 + 255328441 = 29440^2 + 15979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122042041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 66002473 = 1122042041 / (1 + 1 + 2 + 2 + 0 + 4 + 2 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122042049) 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, 33001220 + ... + 33001253.

It is an arithmetic number, because the mean of its divisors is an integer number (297011133).

Almost surely, 2^1122042041 is an apocalyptic number.

It is an amenable number.

1122042041 is a deficient number, since it is larger than the sum of its proper divisors (66002491).

1122042041 is an equidigital number, since it uses as much as digits as its factorization.

1122042041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66002490.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1122042041 is about 33496.8959905243. The cubic root of 1122042041 is about 1039.1295851451.

Adding to 1122042041 its reverse (1402402211), we get a palindrome (2524444252).

The spelling of 1122042041 in words is "one billion, one hundred twenty-two million, forty-two thousand, forty-one".