1029288812 has 6 divisors (see below), whose sum is σ = 1801255428. Its totient is φ = 514644404.

The previous prime is 1029288791. The next prime is 1029288823. The reversal of 1029288812 is 2188829201.

It is a self number, because there is not a number n which added to its sum of digits gives 1029288812.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128661098 + ... + 128661105.

It is an arithmetic number, because the mean of its divisors is an integer number (300209238).

Almost surely, 2^1029288812 is an apocalyptic number.

It is an amenable number.

1029288812 is a deficient number, since it is larger than the sum of its proper divisors (771966616).

1029288812 is a wasteful number, since it uses less digits than its factorization.

1029288812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257322207 (or 257322205 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 1029288812 is about 32082.5312592383. The cubic root of 1029288812 is about 1009.6691436639.

The spelling of 1029288812 in words is "one billion, twenty-nine million, two hundred eighty-eight thousand, eight hundred twelve".