1021130030 has 32 divisors (see below), whose sum is σ = 1887789024. Its totient is φ = 397466496.

The previous prime is 1021130029. The next prime is 1021130039. The reversal of 1021130030 is 300311201.

It is a junction number, because it is equal to n+sod(n) for n = 1021129993 and 1021130020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021130039) 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, 114824 + ... + 123396.

It is an arithmetic number, because the mean of its divisors is an integer number (58993407).

Almost surely, 2^1021130030 is an apocalyptic number.

1021130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021130030 is a deficient number, since it is larger than the sum of its proper divisors (866658994).

1021130030 is a wasteful number, since it uses less digits than its factorization.

1021130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1021130030 is about 31955.1252540183. The cubic root of 1021130030 is about 1006.9943089213.

Adding to 1021130030 its reverse (300311201), we get a palindrome (1321441231).

The spelling of 1021130030 in words is "one billion, twenty-one million, one hundred thirty thousand, thirty".