1155294241 has 2 divisors, whose sum is σ = 1155294242. Its totient is φ = 1155294240.

The previous prime is 1155294197. The next prime is 1155294289. The reversal of 1155294241 is 1424925511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1147786641 + 7507600 = 33879^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155294241 - 2⁷ = 1155294113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155294197 and 1155294206.

It is not a weakly prime, because it can be changed into another prime (1155294941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577647120 + 577647121.

It is an arithmetic number, because the mean of its divisors is an integer number (577647121).

Almost surely, 2^1155294241 is an apocalyptic number.

It is an amenable number.

1155294241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155294241 is an equidigital number, since it uses as much as digits as its factorization.

1155294241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 1155294241 is about 33989.6196065799. The cubic root of 1155294241 is about 1049.2948374906.

The spelling of 1155294241 in words is "one billion, one hundred fifty-five million, two hundred ninety-four thousand, two hundred forty-one".