1021042202 has 12 divisors (see below), whose sum is σ = 1626955710. Its totient is φ = 480490176.

The previous prime is 1021042199. The next prime is 1021042223. The reversal of 1021042202 is 2022401201.

It can be written as a sum of positive squares in 3 ways, for example, as 1020738601 + 303601 = 31949^2 + 551^2 .

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 5 ways as a sum of consecutive naturals, for example, 882677 + ... + 883832.

Almost surely, 2^1021042202 is an apocalyptic number.

1021042202 is a deficient number, since it is larger than the sum of its proper divisors (605913508).

1021042202 is a wasteful number, since it uses less digits than its factorization.

1021042202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766545 (or 1766528 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1021042202 is about 31953.7509848218. The cubic root of 1021042202 is about 1006.9654373675.

Adding to 1021042202 its reverse (2022401201), we get a palindrome (3043443403).

The spelling of 1021042202 in words is "one billion, twenty-one million, forty-two thousand, two hundred two".