1002106443 has 16 divisors (see below), whose sum is σ = 1472387840. Its totient is φ = 602338464.

The previous prime is 1002106439. The next prime is 1002106451. The reversal of 1002106443 is 3446012001.

It is not a de Polignac number, because 1002106443 - 2² = 1002106439 is a prime.

It is a super-2 number, since 2×1002106443² = 2008434646204224498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002106453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297103 + ... + 300456.

It is an arithmetic number, because the mean of its divisors is an integer number (92024240).

Almost surely, 2^1002106443 is an apocalyptic number.

1002106443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002106443 is a deficient number, since it is larger than the sum of its proper divisors (470281397).

1002106443 is a wasteful number, since it uses less digits than its factorization.

1002106443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597618.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1002106443 is about 31656.0648691526. The cubic root of 1002106443 is about 1000.7016552315.

Adding to 1002106443 its reverse (3446012001), we get a palindrome (4448118444).

The spelling of 1002106443 in words is "one billion, two million, one hundred six thousand, four hundred forty-three".