1020213122 has 8 divisors (see below), whose sum is σ = 1530528636. Its totient is φ = 510036912.

The previous prime is 1020213121. The next prime is 1020213143. The reversal of 1020213122 is 2213120201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 649689121 + 370524001 = 25489^2 + 19249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020213097 and 1020213106.

It is not an unprimeable number, because it can be changed into a prime (1020213121) by changing a digit.

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, 14033 + ... + 47300.

Almost surely, 2^1020213122 is an apocalyptic number.

1020213122 is a deficient number, since it is larger than the sum of its proper divisors (510315514).

1020213122 is an equidigital number, since it uses as much as digits as its factorization.

1020213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69652.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1020213122 is about 31940.7752254074. The cubic root of 1020213122 is about 1006.6928136467.

Adding to 1020213122 its reverse (2213120201), we get a palindrome (3233333323).

The spelling of 1020213122 in words is "one billion, twenty million, two hundred thirteen thousand, one hundred twenty-two".