1072126717523 has 8 divisors (see below), whose sum is σ = 1095398316000. Its totient is φ = 1048967815168.

The previous prime is 1072126717481. The next prime is 1072126717559. The reversal of 1072126717523 is 3257176212701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072126717523 is a prime.

It is a super-2 number, since 2×1072126717523² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072126717423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28154798 + ... + 28192851.

It is an arithmetic number, because the mean of its divisors is an integer number (136924789500).

Almost surely, 2^{1072126717523} is an apocalyptic number.

1072126717523 is a deficient number, since it is larger than the sum of its proper divisors (23271598477).

1072126717523 is an equidigital number, since it uses as much as digits as its factorization.

1072126717523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56348061.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 1072126717523 in words is "one trillion, seventy-two billion, one hundred twenty-six million, seven hundred seventeen thousand, five hundred twenty-three".