1029145917 has 8 divisors (see below), whose sum is σ = 1372427424. Its totient is φ = 685980848.

The previous prime is 1029145913. The next prime is 1029145937. The reversal of 1029145917 is 7195419201.

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 1029145917 - 2² = 1029145913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029145913) 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, 5823 + ... + 45740.

It is an arithmetic number, because the mean of its divisors is an integer number (171553428).

Almost surely, 2^1029145917 is an apocalyptic number.

It is an amenable number.

1029145917 is a deficient number, since it is larger than the sum of its proper divisors (343281507).

1029145917 is an equidigital number, since it uses as much as digits as its factorization.

1029145917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58219.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 1029145917 is about 32080.3041912012. The cubic root of 1029145917 is about 1009.6224177603.

The spelling of 1029145917 in words is "one billion, twenty-nine million, one hundred forty-five thousand, nine hundred seventeen".