1023144 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 336512.

The previous prime is 1023133. The next prime is 1023163. The reversal of 1023144 is 4413201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1897 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^1023144 is an apocalyptic number.

It is an amenable number.

1023144 is an abundant number, since it is smaller than the sum of its proper divisors (1568856).

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

1023144 is a wasteful number, since it uses less digits than its factorization.

1023144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 573 counting only the distinct ones).

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

The square root of 1023144 is about 1011.5058081890. The cubic root of 1023144 is about 100.7655904219.

Adding to 1023144 its reverse (4413201), we get a palindrome (5436345).

The spelling of 1023144 in words is "one million, twenty-three thousand, one hundred forty-four".