1030005872 has 90 divisors (see below), whose sum is σ = 2432565288. Its totient is φ = 420471744.

The previous prime is 1030005863. The next prime is 1030005913. The reversal of 1030005872 is 2785000301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4309529 + ... + 4309767.

Almost surely, 2^1030005872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030005872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216282644).

1030005872 is an abundant number, since it is smaller than the sum of its proper divisors (1402559416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030005872 is an equidigital number, since it uses as much as digits as its factorization.

1030005872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1030005872 is about 32093.7045540087. The cubic root of 1030005872 is about 1009.9035531862.

The spelling of 1030005872 in words is "one billion, thirty million, five thousand, eight hundred seventy-two".