1042030123 has 2 divisors, whose sum is σ = 1042030124. Its totient is φ = 1042030122.

The previous prime is 1042030103. The next prime is 1042030127. The reversal of 1042030123 is 3210302401.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3210302401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042030123 - 2¹³ = 1042021931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042030097 and 1042030106.

It is not a weakly prime, because it can be changed into another prime (1042030127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521015061 + 521015062.

It is an arithmetic number, because the mean of its divisors is an integer number (521015062).

Almost surely, 2^1042030123 is an apocalyptic number.

1042030123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042030123 is an equidigital number, since it uses as much as digits as its factorization.

1042030123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1042030123 is about 32280.4913686270. The cubic root of 1042030123 is about 1013.8182183437.

Adding to 1042030123 its reverse (3210302401), we get a palindrome (4252332524).

The spelling of 1042030123 in words is "one billion, forty-two million, thirty thousand, one hundred twenty-three".