1021300032 has 28 divisors (see below), whose sum is σ = 2702190176. Its totient is φ = 340433280.

The previous prime is 1021300001. The next prime is 1021300043. The reversal of 1021300032 is 2300031201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1021299990 and 1021300017.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2659444 + ... + 2659827.

It is an arithmetic number, because the mean of its divisors is an integer number (96506792).

Almost surely, 2^1021300032 is an apocalyptic number.

1021300032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021300032 is an abundant number, since it is smaller than the sum of its proper divisors (1680890144).

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

1021300032 is an equidigital number, since it uses as much as digits as its factorization.

1021300032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319286 (or 5319276 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1021300032 is about 31957.7851547944. The cubic root of 1021300032 is about 1007.0501886958.

Adding to 1021300032 its reverse (2300031201), we get a palindrome (3321331233).

The spelling of 1021300032 in words is "one billion, twenty-one million, three hundred thousand, thirty-two".