1029117795 has 16 divisors (see below), whose sum is σ = 1650316032. Its totient is φ = 547620320.

The previous prime is 1029117779. The next prime is 1029117799. The reversal of 1029117795 is 5977119201.

It is not a de Polignac number, because 1029117795 - 2⁴ = 1029117779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1029117799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70791 + ... + 84080.

It is an arithmetic number, because the mean of its divisors is an integer number (103144752).

Almost surely, 2^1029117795 is an apocalyptic number.

1029117795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1029117795 is a deficient number, since it is larger than the sum of its proper divisors (621198237).

1029117795 is a wasteful number, since it uses less digits than its factorization.

1029117795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155322.

The product of its (nonzero) digits is 39690, while the sum is 42.

The square root of 1029117795 is about 32079.8658818892. The cubic root of 1029117795 is about 1009.6132215068.

The spelling of 1029117795 in words is "one billion, twenty-nine million, one hundred seventeen thousand, seven hundred ninety-five".