1154101009 has 2 divisors, whose sum is σ = 1154101010. Its totient is φ = 1154101008.

The previous prime is 1154101007. The next prime is 1154101051. The reversal of 1154101009 is 9001014511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1154096784 + 4225 = 33972^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154101009 - 2¹ = 1154101007 is a prime.

Together with 1154101007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1154101007) 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, 577050504 + 577050505.

It is an arithmetic number, because the mean of its divisors is an integer number (577050505).

Almost surely, 2^1154101009 is an apocalyptic number.

It is an amenable number.

1154101009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154101009 is an equidigital number, since it uses as much as digits as its factorization.

1154101009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1154101009 is about 33972.0621835060. The cubic root of 1154101009 is about 1048.9334624583.

The spelling of 1154101009 in words is "one billion, one hundred fifty-four million, one hundred one thousand, nine".