1020730123334 has 4 divisors (see below), whose sum is σ = 1531095185004. Its totient is φ = 510365061666.

The previous prime is 1020730123313. The next prime is 1020730123373. The reversal of 1020730123334 is 4333210370201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020730123297 and 1020730123306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255182530832 + ... + 255182530835.

It is an arithmetic number, because the mean of its divisors is an integer number (382773796251).

Almost surely, 2^{1020730123334} is an apocalyptic number.

1020730123334 is a deficient number, since it is larger than the sum of its proper divisors (510365061670).

1020730123334 is an equidigital number, since it uses as much as digits as its factorization.

1020730123334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510365061669.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 1020730123334 its reverse (4333210370201), we get a palindrome (5353940493535).

The spelling of 1020730123334 in words is "one trillion, twenty billion, seven hundred thirty million, one hundred twenty-three thousand, three hundred thirty-four".