1029389125 has 32 divisors (see below), whose sum is σ = 1357125120. Its totient is φ = 777384000.

The previous prime is 1029389059. The next prime is 1029389129. The reversal of 1029389125 is 5219839201.

It is not a de Polignac number, because 1029389125 - 2¹⁵ = 1029356357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029389129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871035 + ... + 872215.

It is an arithmetic number, because the mean of its divisors is an integer number (42410160).

Almost surely, 2^1029389125 is an apocalyptic number.

It is an amenable number.

1029389125 is a deficient number, since it is larger than the sum of its proper divisors (327735995).

1029389125 is a wasteful number, since it uses less digits than its factorization.

1029389125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1029389125 is about 32084.0945797135. The cubic root of 1029389125 is about 1009.7019428968.

The spelling of 1029389125 in words is "one billion, twenty-nine million, three hundred eighty-nine thousand, one hundred twenty-five".