1230115329 has 27 divisors (see below), whose sum is σ = 1849350243. Its totient is φ = 818182944.

The previous prime is 1230115273. The next prime is 1230115363. The reversal of 1230115329 is 9235110321.

The square root of 1230115329 is 35073.

It is a perfect power (a square), and thus also a powerful number.

1230115329 is a `hidden beast` number, since 123 + 0 + 1 + 1 + 532 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 137945025 + 1092170304 = 11745^2 + 33048^2 .

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 1230115329 - 2⁹ = 1230114817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1230115729) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2840697 + ... + 2841129.

Almost surely, 2^1230115329 is an apocalyptic number.

1230115329 is the 35073-rd square number.

1230115329 is the 17537-th centered octagonal number.

It is an amenable number.

1230115329 is a deficient number, since it is larger than the sum of its proper divisors (619234914).

1230115329 is an frugal number, since it uses more digits than its factorization.

1230115329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The cubic root of 1230115329 is about 1071.4747559749.

The spelling of 1230115329 in words is "one billion, two hundred thirty million, one hundred fifteen thousand, three hundred twenty-nine".