1250544144 has 20 divisors (see below), whose sum is σ = 3230572496. Its totient is φ = 416848032.

The previous prime is 1250544143. The next prime is 1250544187. The reversal of 1250544144 is 4414450521.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1250544143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13026454 + ... + 13026549.

Almost surely, 2^1250544144 is an apocalyptic number.

It is an amenable number.

1250544144 is an abundant number, since it is smaller than the sum of its proper divisors (1980028352).

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

1250544144 is a wasteful number, since it uses less digits than its factorization.

1250544144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26053014 (or 26053008 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1250544144 is about 35363.0335802798. The cubic root of 1250544144 is about 1077.3736320348.

Adding to 1250544144 its reverse (4414450521), we get a palindrome (5664994665).

The spelling of 1250544144 in words is "one billion, two hundred fifty million, five hundred forty-four thousand, one hundred forty-four".