1252513775123 has 8 divisors (see below), whose sum is σ = 1348870739328. Its totient is φ = 1156158203904.

The previous prime is 1252513775089. The next prime is 1252513775159. The reversal of 1252513775123 is 3215773152521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252513775123 - 2¹² = 1252513771027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252513775923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221715 + ... + 2727827.

It is an arithmetic number, because the mean of its divisors is an integer number (168608842416).

Almost surely, 2^{1252513775123} is an apocalyptic number.

1252513775123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1252513775123 is a deficient number, since it is larger than the sum of its proper divisors (96356964205).

1252513775123 is a wasteful number, since it uses less digits than its factorization.

1252513775123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696493.

The product of its digits is 441000, while the sum is 44.

The spelling of 1252513775123 in words is "one trillion, two hundred fifty-two billion, five hundred thirteen million, seven hundred seventy-five thousand, one hundred twenty-three".