1154272241 has 2 divisors, whose sum is σ = 1154272242. Its totient is φ = 1154272240.

The previous prime is 1154272199. The next prime is 1154272247. The reversal of 1154272241 is 1422724511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997296400 + 156975841 = 31580^2 + 12529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154272241 - 2¹⁴ = 1154255857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154272247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577136120 + 577136121.

It is an arithmetic number, because the mean of its divisors is an integer number (577136121).

Almost surely, 2^1154272241 is an apocalyptic number.

It is an amenable number.

1154272241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154272241 is an equidigital number, since it uses as much as digits as its factorization.

1154272241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 29.

The square root of 1154272241 is about 33974.5822785211. The cubic root of 1154272241 is about 1048.9853360497.

Adding to 1154272241 its reverse (1422724511), we get a palindrome (2576996752).

The spelling of 1154272241 in words is "one billion, one hundred fifty-four million, two hundred seventy-two thousand, two hundred forty-one".