1230144 has 56 divisors (see below), whose sum is σ = 3352800. Its totient is φ = 397824.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230144 is 4410321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8182 + ... + 8330.

2^1230144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676400).

1230144 is an abundant number, since it is smaller than the sum of its proper divisors (2122656).

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

1230144 is a wasteful number, since it uses less digits than its factorization.

1230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1230144 is about 1109.1185689546. The cubic root of 1230144 is about 107.1483080401.

Adding to 1230144 its reverse (4410321), we get a palindrome (5640465).

The spelling of 1230144 in words is "one million, two hundred thirty thousand, one hundred forty-four".