1230200144 has 20 divisors (see below), whose sum is σ = 2508961440. Its totient is φ = 582726240.

The previous prime is 1230200141. The next prime is 1230200183. The reversal of 1230200144 is 4410020321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230200141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023052 + ... + 2023659.

It is an arithmetic number, because the mean of its divisors is an integer number (125448072).

Almost surely, 2^1230200144 is an apocalyptic number.

It is an amenable number.

1230200144 is an abundant number, since it is smaller than the sum of its proper divisors (1278761296).

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

1230200144 is a wasteful number, since it uses less digits than its factorization.

1230200144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046738 (or 4046732 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1230200144 is about 35074.2091001351. The cubic root of 1230200144 is about 1071.4993810488.

Adding to 1230200144 its reverse (4410020321), we get a palindrome (5640220465).

The spelling of 1230200144 in words is "one billion, two hundred thirty million, two hundred thousand, one hundred forty-four".