1029173055 has 8 divisors (see below), whose sum is σ = 1646676912. Its totient is φ = 548892288.

The previous prime is 1029173039. The next prime is 1029173069. The reversal of 1029173055 is 5503719201.

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

It is not a de Polignac number, because 1029173055 - 2⁴ = 1029173039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34305754 + ... + 34305783.

It is an arithmetic number, because the mean of its divisors is an integer number (205834614).

Almost surely, 2^1029173055 is an apocalyptic number.

1029173055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1029173055 is a deficient number, since it is larger than the sum of its proper divisors (617503857).

1029173055 is an equidigital number, since it uses as much as digits as its factorization.

1029173055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68611545.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 1029173055 is about 32080.7271582176. The cubic root of 1029173055 is about 1009.6312920744.

The spelling of 1029173055 in words is "one billion, twenty-nine million, one hundred seventy-three thousand, fifty-five".