1152131441 has 2 divisors, whose sum is σ = 1152131442. Its totient is φ = 1152131440.

The previous prime is 1152131369. The next prime is 1152131471. The reversal of 1152131441 is 1441312511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942490000 + 209641441 = 30700^2 + 14479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152131441 - 2²² = 1147937137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1152131471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576065720 + 576065721.

It is an arithmetic number, because the mean of its divisors is an integer number (576065721).

Almost surely, 2^1152131441 is an apocalyptic number.

It is an amenable number.

1152131441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152131441 is an equidigital number, since it uses as much as digits as its factorization.

1152131441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

The square root of 1152131441 is about 33943.0617505257. The cubic root of 1152131441 is about 1048.3364257124.

Adding to 1152131441 its reverse (1441312511), we get a palindrome (2593443952).

The spelling of 1152131441 in words is "one billion, one hundred fifty-two million, one hundred thirty-one thousand, four hundred forty-one".