1021330870 has 32 divisors (see below), whose sum is σ = 2192375808. Its totient is φ = 334945248.

The previous prime is 1021330837. The next prime is 1021330873. The reversal of 1021330870 is 780331201.

1021330870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021330873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315574 + ... + 318793.

It is an arithmetic number, because the mean of its divisors is an integer number (68511744).

Almost surely, 2^1021330870 is an apocalyptic number.

1021330870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021330870 is an abundant number, since it is smaller than the sum of its proper divisors (1171044938).

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

1021330870 is a wasteful number, since it uses less digits than its factorization.

1021330870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634404.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1021330870 is about 31958.2676313970. The cubic root of 1021330870 is about 1007.0603245031.

The spelling of 1021330870 in words is "one billion, twenty-one million, three hundred thirty thousand, eight hundred seventy".