1252404504143 has 8 divisors (see below), whose sum is σ = 1348767168000. Its totient is φ = 1156045248288.

The previous prime is 1252404504101. The next prime is 1252404504151. The reversal of 1252404504143 is 3414054042521.

It is a happy number.

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-1252404504143 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 (1252404504343) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 61583 + ... + 1583856.

It is an arithmetic number, because the mean of its divisors is an integer number (168595896000).

Almost surely, 2^{1252404504143} is an apocalyptic number.

1252404504143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1252404504143 is a deficient number, since it is larger than the sum of its proper divisors (96362663857).

1252404504143 is a wasteful number, since it uses less digits than its factorization.

1252404504143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704001.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1252404504143 its reverse (3414054042521), we get a palindrome (4666458546664).

The spelling of 1252404504143 in words is "one trillion, two hundred fifty-two billion, four hundred four million, five hundred four thousand, one hundred forty-three".