1029992 has 8 divisors (see below), whose sum is σ = 1931250. Its totient is φ = 514992.

The previous prime is 1029989. The next prime is 1030019. The reversal of 1029992 is 2999201.

It can be written as a sum of positive squares in only one way, i.e., 1012036 + 17956 = 1006^2 + 134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64367 + ... + 64382.

2^1029992 is an apocalyptic number.

It is an amenable number.

1029992 is a deficient number, since it is larger than the sum of its proper divisors (901258).

1029992 is a wasteful number, since it uses less digits than its factorization.

1029992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128755 (or 128751 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1029992 is about 1014.8852151845. The cubic root of 1029992 is about 100.9899019411.

The spelling of 1029992 in words is "one million, twenty-nine thousand, nine hundred ninety-two".