1029099285 has 24 divisors (see below), whose sum is σ = 1791788544. Its totient is φ = 546386400.

The previous prime is 1029099283. The next prime is 1029099317. The reversal of 1029099285 is 5829909201.

It is not a de Polignac number, because 1029099285 - 2¹ = 1029099283 is a prime.

It is a super-2 number, since 2×1029099285² = 2118090676775022450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1029099285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029099283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41241 + ... + 61310.

It is an arithmetic number, because the mean of its divisors is an integer number (74657856).

Almost surely, 2^1029099285 is an apocalyptic number.

1029099285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1029099285 is a deficient number, since it is larger than the sum of its proper divisors (762689259).

1029099285 is a wasteful number, since it uses less digits than its factorization.

1029099285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102785 (or 102782 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 1029099285 is about 32079.5773818796. The cubic root of 1029099285 is about 1009.6071684087.

The spelling of 1029099285 in words is "one billion, twenty-nine million, ninety-nine thousand, two hundred eighty-five".