1149073129 has 8 divisors (see below), whose sum is σ = 1216961928. Its totient is φ = 1081217280.

The previous prime is 1149073111. The next prime is 1149073151. The reversal of 1149073129 is 9213709411.

It can be written as a sum of positive squares in 4 ways, for example, as 1557504 + 1147515625 = 1248^2 + 33875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1149073129 - 2⁵ = 1149073097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149073729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129619 + ... + 138199.

It is an arithmetic number, because the mean of its divisors is an integer number (152120241).

Almost surely, 2^1149073129 is an apocalyptic number.

It is an amenable number.

1149073129 is a deficient number, since it is larger than the sum of its proper divisors (67888799).

1149073129 is an equidigital number, since it uses as much as digits as its factorization.

1149073129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1149073129 is about 33897.9811935755. The cubic root of 1149073129 is about 1047.4080070651.

The spelling of 1149073129 in words is "one billion, one hundred forty-nine million, seventy-three thousand, one hundred twenty-nine".