1121220041 has 2 divisors, whose sum is σ = 1121220042. Its totient is φ = 1121220040.

The previous prime is 1121220017. The next prime is 1121220049. The reversal of 1121220041 is 1400221211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1011494416 + 109725625 = 31804^2 + 10475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121220041 - 2⁶ = 1121219977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121219998 and 1121220025.

It is not a weakly prime, because it can be changed into another prime (1121220049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560610020 + 560610021.

It is an arithmetic number, because the mean of its divisors is an integer number (560610021).

Almost surely, 2^1121220041 is an apocalyptic number.

It is an amenable number.

1121220041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121220041 is an equidigital number, since it uses as much as digits as its factorization.

1121220041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1121220041 is about 33484.6239489112. The cubic root of 1121220041 is about 1038.8757701787.

Adding to 1121220041 its reverse (1400221211), we get a palindrome (2521441252).

The spelling of 1121220041 in words is "one billion, one hundred twenty-one million, two hundred twenty thousand, forty-one".