1154488129 has 2 divisors, whose sum is σ = 1154488130. Its totient is φ = 1154488128.

The previous prime is 1154488121. The next prime is 1154488133. The reversal of 1154488129 is 9218844511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989417025 + 165071104 = 31455^2 + 12848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154488129 - 2³ = 1154488121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154488121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577244064 + 577244065.

It is an arithmetic number, because the mean of its divisors is an integer number (577244065).

Almost surely, 2^1154488129 is an apocalyptic number.

It is an amenable number.

1154488129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154488129 is an equidigital number, since it uses as much as digits as its factorization.

1154488129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 43.

The square root of 1154488129 is about 33977.7593287138. The cubic root of 1154488129 is about 1049.0507305672.

The spelling of 1154488129 in words is "one billion, one hundred fifty-four million, four hundred eighty-eight thousand, one hundred twenty-nine".