1254043401252 has 12 divisors (see below), whose sum is σ = 2926101269616. Its totient is φ = 418014467080.

The previous prime is 1254043401251. The next prime is 1254043401257. The reversal of 1254043401252 is 2521043404521.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1254043401251) 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 3 ways as a sum of consecutive naturals, for example, 52251808374 + ... + 52251808397.

It is an arithmetic number, because the mean of its divisors is an integer number (243841772468).

Almost surely, 2^{1254043401252} is an apocalyptic number.

1254043401252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1254043401252 is an abundant number, since it is smaller than the sum of its proper divisors (1672057868364).

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

1254043401252 is a wasteful number, since it uses less digits than its factorization.

1254043401252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104503616778 (or 104503616776 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1254043401252 its reverse (2521043404521), we get a palindrome (3775086805773).

The spelling of 1254043401252 in words is "one trillion, two hundred fifty-four billion, forty-three million, four hundred one thousand, two hundred fifty-two".