1029069081 has 6 divisors (see below), whose sum is σ = 1486433130. Its totient is φ = 686046048.

The previous prime is 1029069047. The next prime is 1029069121. The reversal of 1029069081 is 1809609201.

It can be written as a sum of positive squares in only one way, i.e., 716097600 + 312971481 = 26760^2 + 17691^2 .

It is not a de Polignac number, because 1029069081 - 2⁶ = 1029069017 is a prime.

It is a super-2 number, since 2×1029069081² = 2117966346940369122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1029069001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57170496 + ... + 57170513.

It is an arithmetic number, because the mean of its divisors is an integer number (247738855).

Almost surely, 2^1029069081 is an apocalyptic number.

It is an amenable number.

1029069081 is a deficient number, since it is larger than the sum of its proper divisors (457364049).

1029069081 is a wasteful number, since it uses less digits than its factorization.

1029069081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114341015 (or 114341012 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1029069081 is about 32079.1066116250. The cubic root of 1029069081 is about 1009.5972910095.

The spelling of 1029069081 in words is "one billion, twenty-nine million, sixty-nine thousand, eighty-one".