1029321969 has 16 divisors (see below), whose sum is σ = 1528968000. Its totient is φ = 611585856.

The previous prime is 1029321961. The next prime is 1029321977. The reversal of 1029321969 is 9691239201.

It is an interprime number because it is at equal distance from previous prime (1029321961) and next prime (1029321977).

It is not a de Polignac number, because 1029321969 - 2³ = 1029321961 is a prime.

It is a super-2 number, since 2×1029321969² = 2119007431732073922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1029321969.

It is not an unprimeable number, because it can be changed into a prime (1029321961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453919 + ... + 456180.

It is an arithmetic number, because the mean of its divisors is an integer number (95560500).

Almost surely, 2^1029321969 is an apocalyptic number.

It is an amenable number.

1029321969 is a deficient number, since it is larger than the sum of its proper divisors (499646031).

1029321969 is a wasteful number, since it uses less digits than its factorization.

1029321969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910144.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 1029321969 is about 32083.0480004628. The cubic root of 1029321969 is about 1009.6799852080.

The spelling of 1029321969 in words is "one billion, twenty-nine million, three hundred twenty-one thousand, nine hundred sixty-nine".