1021022130 has 64 divisors (see below), whose sum is σ = 2484857088. Its totient is φ = 268473600.

The previous prime is 1021022117. The next prime is 1021022131. The reversal of 1021022130 is 312201201.

It is not an unprimeable number, because it can be changed into a prime (1021022131) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 959979 + ... + 961041.

It is an arithmetic number, because the mean of its divisors is an integer number (38825892).

Almost surely, 2^1021022130 is an apocalyptic number.

1021022130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021022130 is an abundant number, since it is smaller than the sum of its proper divisors (1463834958).

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

1021022130 is a wasteful number, since it uses less digits than its factorization.

1021022130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021022130 is about 31953.4369043457. The cubic root of 1021022130 is about 1006.9588388996.

Adding to 1021022130 its reverse (312201201), we get a palindrome (1333223331).

The spelling of 1021022130 in words is "one billion, twenty-one million, twenty-two thousand, one hundred thirty".