1021030122 has 64 divisors (see below), whose sum is σ = 2468782080. Its totient is φ = 275197824.

The previous prime is 1021030121. The next prime is 1021030177. The reversal of 1021030122 is 2210301201.

It is a junction number, because it is equal to n+sod(n) for n = 1021030098 and 1021030107.

It is not an unprimeable number, because it can be changed into a prime (1021030121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63279 + ... + 77757.

It is an arithmetic number, because the mean of its divisors is an integer number (38574720).

Almost surely, 2^1021030122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021030122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234391040).

1021030122 is an abundant number, since it is smaller than the sum of its proper divisors (1447751958).

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

1021030122 is a wasteful number, since it uses less digits than its factorization.

1021030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14587.

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

The square root of 1021030122 is about 31953.5619610709. The cubic root of 1021030122 is about 1006.9614661995.

Adding to 1021030122 its reverse (2210301201), we get a palindrome (3231331323).

The spelling of 1021030122 in words is "one billion, twenty-one million, thirty thousand, one hundred twenty-two".