1021411442 has 16 divisors (see below), whose sum is σ = 1652852952. Its totient is φ = 471594240.

The previous prime is 1021411441. The next prime is 1021411453. The reversal of 1021411442 is 2441141201.

It can be written as a sum of positive squares in 4 ways, for example, as 836424241 + 184987201 = 28921^2 + 13601^2 .

It is not an unprimeable number, because it can be changed into a prime (1021411441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281609 + ... + 285212.

Almost surely, 2^1021411442 is an apocalyptic number.

1021411442 is a deficient number, since it is larger than the sum of its proper divisors (631441510).

1021411442 is a wasteful number, since it uses less digits than its factorization.

1021411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566893.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1021411442 is about 31959.5281880068. The cubic root of 1021411442 is about 1007.0868058760.

Adding to 1021411442 its reverse (2441141201), we get a palindrome (3462552643).

The spelling of 1021411442 in words is "one billion, twenty-one million, four hundred eleven thousand, four hundred forty-two".