1252440710173 has 8 divisors (see below), whose sum is σ = 1273865673600. Its totient is φ = 1231022318688.

The previous prime is 1252440710153. The next prime is 1252440710179. The reversal of 1252440710173 is 3710170442521.

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-1252440710173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252440710179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257813 + ... + 2021626.

It is an arithmetic number, because the mean of its divisors is an integer number (159233209200).

Almost surely, 2^{1252440710173} is an apocalyptic number.

It is an amenable number.

1252440710173 is a deficient number, since it is larger than the sum of its proper divisors (21424963427).

1252440710173 is an equidigital number, since it uses as much as digits as its factorization.

1252440710173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285971.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 1252440710173 in words is "one trillion, two hundred fifty-two billion, four hundred forty million, seven hundred ten thousand, one hundred seventy-three".