1154263241 has 2 divisors, whose sum is σ = 1154263242. Its totient is φ = 1154263240.

The previous prime is 1154263219. The next prime is 1154263291. The reversal of 1154263241 is 1423624511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994771600 + 159491641 = 31540^2 + 12629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154263241 - 2²⁶ = 1087154377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1154263291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577131620 + 577131621.

It is an arithmetic number, because the mean of its divisors is an integer number (577131621).

Almost surely, 2^1154263241 is an apocalyptic number.

It is an amenable number.

1154263241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154263241 is an equidigital number, since it uses as much as digits as its factorization.

1154263241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 1154263241 is about 33974.4498263033. The cubic root of 1154263241 is about 1048.9826096875.

Adding to 1154263241 its reverse (1423624511), we get a palindrome (2577887752).

The spelling of 1154263241 in words is "one billion, one hundred fifty-four million, two hundred sixty-three thousand, two hundred forty-one".