1121446141 has 2 divisors, whose sum is σ = 1121446142. Its totient is φ = 1121446140.

The previous prime is 1121446093. The next prime is 1121446223. The reversal of 1121446141 is 1416441211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988850916 + 132595225 = 31446^2 + 11515^2 .

It is an emirp because it is prime and its reverse (1416441211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121446141 - 2¹³ = 1121437949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121446741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560723070 + 560723071.

It is an arithmetic number, because the mean of its divisors is an integer number (560723071).

Almost surely, 2^1121446141 is an apocalyptic number.

It is an amenable number.

1121446141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121446141 is an equidigital number, since it uses as much as digits as its factorization.

1121446141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 1121446141 is about 33487.9999552078. Note that the first 4 decimals coincide. The cubic root of 1121446141 is about 1038.9455970981.

Adding to 1121446141 its reverse (1416441211), we get a palindrome (2537887352).

The spelling of 1121446141 in words is "one billion, one hundred twenty-one million, four hundred forty-six thousand, one hundred forty-one".