1154041289 has 2 divisors, whose sum is σ = 1154041290. Its totient is φ = 1154041288.

The previous prime is 1154041237. The next prime is 1154041297. The reversal of 1154041289 is 9821404511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074528400 + 79512889 = 32780^2 + 8917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154041289 - 2¹² = 1154037193 is a prime.

It is a super-2 number, since 2×1154041289² = 2663622593433563042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1154041219) 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, 577020644 + 577020645.

It is an arithmetic number, because the mean of its divisors is an integer number (577020645).

Almost surely, 2^1154041289 is an apocalyptic number.

It is an amenable number.

1154041289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154041289 is an equidigital number, since it uses as much as digits as its factorization.

1154041289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1154041289 is about 33971.1832146012. The cubic root of 1154041289 is about 1048.9153694761.

It can be divided in two parts, 115 and 4041289, that added together give a palindrome (4041404).

The spelling of 1154041289 in words is "one billion, one hundred fifty-four million, forty-one thousand, two hundred eighty-nine".