1002040124123 has 4 divisors (see below), whose sum is σ = 1002042194160. Its totient is φ = 1002038054088.

The previous prime is 1002040124117. The next prime is 1002040124131. The reversal of 1002040124123 is 3214210402001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002040124123 - 2¹⁰ = 1002040123099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002040124095 and 1002040124104.

It is not an unprimeable number, because it can be changed into a prime (1002040124153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122858 + ... + 1420976.

It is an arithmetic number, because the mean of its divisors is an integer number (250510548540).

Almost surely, 2^{1002040124123} is an apocalyptic number.

1002040124123 is a deficient number, since it is larger than the sum of its proper divisors (2070037).

1002040124123 is an equidigital number, since it uses as much as digits as its factorization.

1002040124123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070036.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1002040124123 its reverse (3214210402001), we get a palindrome (4216250526124).

The spelling of 1002040124123 in words is "one trillion, two billion, forty million, one hundred twenty-four thousand, one hundred twenty-three".