1020240123130 has 64 divisors (see below), whose sum is σ = 1966785196320. Its totient is φ = 379682136064.

The previous prime is 1020240123121. The next prime is 1020240123137. The reversal of 1020240123130 is 313210420201.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 40324254481 + 979915868649 = 200809^2 + 989907^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020240123098 and 1020240123107.

It is not an unprimeable number, because it can be changed into a prime (1020240123137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117359064 + ... + 117367756.

Almost surely, 2^{1020240123130} is an apocalyptic number.

1020240123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020240123130 is a deficient number, since it is larger than the sum of its proper divisors (946545073190).

1020240123130 is a wasteful number, since it uses less digits than its factorization.

1020240123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1020240123130 its reverse (313210420201), we get a palindrome (1333450543331).

The spelling of 1020240123130 in words is "one trillion, twenty billion, two hundred forty million, one hundred twenty-three thousand, one hundred thirty".