1021298834 has 24 divisors (see below), whose sum is σ = 1629919488. Its totient is φ = 479856960.

The previous prime is 1021298797. The next prime is 1021298857. The reversal of 1021298834 is 4388921201.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 571907 + ... + 573689.

It is an arithmetic number, because the mean of its divisors is an integer number (67913312).

Almost surely, 2^1021298834 is an apocalyptic number.

1021298834 is a deficient number, since it is larger than the sum of its proper divisors (608620654).

1021298834 is a wasteful number, since it uses less digits than its factorization.

1021298834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1021298834 is about 31957.7664113123. The cubic root of 1021298834 is about 1007.0497949340.

The spelling of 1021298834 in words is "one billion, twenty-one million, two hundred ninety-eight thousand, eight hundred thirty-four".