1002041123 has 2 divisors, whose sum is σ = 1002041124. Its totient is φ = 1002041122.

The previous prime is 1002041119. The next prime is 1002041203. The reversal of 1002041123 is 3211402001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002041123 - 2² = 1002041119 is a prime.

It is a super-2 number, since 2×1002041123² = 2008172824366202258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002041098 and 1002041107.

It is not a weakly prime, because it can be changed into another prime (1002041113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501020561 + 501020562.

It is an arithmetic number, because the mean of its divisors is an integer number (501020562).

Almost surely, 2^1002041123 is an apocalyptic number.

1002041123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002041123 is an equidigital number, since it uses as much as digits as its factorization.

1002041123 is an evil number, because the sum of its binary digits is even.

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

The square root of 1002041123 is about 31655.0331385074. The cubic root of 1002041123 is about 1000.6799119483.

Adding to 1002041123 its reverse (3211402001), we get a palindrome (4213443124).

The spelling of 1002041123 in words is "one billion, two million, forty-one thousand, one hundred twenty-three".