1144099729 has 2 divisors, whose sum is σ = 1144099730. Its totient is φ = 1144099728.

The previous prime is 1144099721. The next prime is 1144099757. The reversal of 1144099729 is 9279904411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065369600 + 78730129 = 32640^2 + 8873^2 .

It is an emirp because it is prime and its reverse (9279904411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144099729 - 2³ = 1144099721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144099721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572049864 + 572049865.

It is an arithmetic number, because the mean of its divisors is an integer number (572049865).

Almost surely, 2^1144099729 is an apocalyptic number.

It is an amenable number.

1144099729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144099729 is an equidigital number, since it uses as much as digits as its factorization.

1144099729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 1144099729 is about 33824.5432932952. The cubic root of 1144099729 is about 1045.8946967855.

The spelling of 1144099729 in words is "one billion, one hundred forty-four million, ninety-nine thousand, seven hundred twenty-nine".