1029534921 has 8 divisors (see below), whose sum is σ = 1525236960. Its totient is φ = 686356596.

The previous prime is 1029534907. The next prime is 1029534941. The reversal of 1029534921 is 1294359201.

1029534921 is a `hidden beast` number, since 1 + 0 + 295 + 349 + 21 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1029534921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1029534941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19065435 + ... + 19065488.

It is an arithmetic number, because the mean of its divisors is an integer number (190654620).

Almost surely, 2^1029534921 is an apocalyptic number.

It is an amenable number.

1029534921 is a deficient number, since it is larger than the sum of its proper divisors (495702039).

1029534921 is an equidigital number, since it uses as much as digits as its factorization.

1029534921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38130932 (or 38130926 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1029534921 is about 32086.3665908124. The cubic root of 1029534921 is about 1009.7496098582.

The spelling of 1029534921 in words is "one billion, twenty-nine million, five hundred thirty-four thousand, nine hundred twenty-one".