1252453201248 has 24 divisors (see below), whose sum is σ = 3287689653528. Its totient is φ = 417484400384.

The previous prime is 1252453201217. The next prime is 1252453201249. The reversal of 1252453201248 is 8421023542521.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252453201249) 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 3 ways as a sum of consecutive naturals, for example, 6523193661 + ... + 6523193852.

It is an arithmetic number, because the mean of its divisors is an integer number (136987068897).

Almost surely, 2^{1252453201248} is an apocalyptic number.

It is an amenable number.

1252453201248 is an abundant number, since it is smaller than the sum of its proper divisors (2035236452280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252453201248 is a wasteful number, since it uses less digits than its factorization.

1252453201248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046387526 (or 13046387518 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 1252453201248 its reverse (8421023542521), we get a palindrome (9673476743769).

The spelling of 1252453201248 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-three million, two hundred one thousand, two hundred forty-eight".