1021204030 has 32 divisors (see below), whose sum is σ = 2291742720. Its totient is φ = 318297120.

The previous prime is 1021204021. The next prime is 1021204049. The reversal of 1021204030 is 304021201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021204030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662350 + ... + 663889.

It is an arithmetic number, because the mean of its divisors is an integer number (71616960).

Almost surely, 2^1021204030 is an apocalyptic number.

1021204030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021204030 is an abundant number, since it is smaller than the sum of its proper divisors (1270538690).

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

1021204030 is a wasteful number, since it uses less digits than its factorization.

1021204030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326264.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1021204030 is about 31956.2831067695. The cubic root of 1021204030 is about 1007.0186335345.

Adding to 1021204030 its reverse (304021201), we get a palindrome (1325225231).

The spelling of 1021204030 in words is "one billion, twenty-one million, two hundred four thousand, thirty".