1252144543 has 8 divisors (see below), whose sum is σ = 1350045200. Its totient is φ = 1154469888.

The previous prime is 1252144501. The next prime is 1252144547. The reversal of 1252144543 is 3454412521.

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

It is a de Polignac number, because none of the positive numbers 2^k-1252144543 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 (1252144547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44898 + ... + 67231.

It is an arithmetic number, because the mean of its divisors is an integer number (168755650).

Almost surely, 2^1252144543 is an apocalyptic number.

1252144543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1252144543 is a deficient number, since it is larger than the sum of its proper divisors (97900657).

1252144543 is a wasteful number, since it uses less digits than its factorization.

1252144543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113001.

The product of its digits is 19200, while the sum is 31.

The square root of 1252144543 is about 35385.6544803117. The cubic root of 1252144543 is about 1077.8330300977.

The spelling of 1252144543 in words is "one billion, two hundred fifty-two million, one hundred forty-four thousand, five hundred forty-three".