1372144 has 20 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 680960.

The previous prime is 1372139. The next prime is 1372171. The reversal of 1372144 is 4412731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

2^1372144 is an apocalyptic number.

It is an amenable number.

1372144 is a deficient number, since it is larger than the sum of its proper divisors (1306256).

1372144 is a wasteful number, since it uses less digits than its factorization.

1372144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 642 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 1372144 is about 1171.3855044348. The cubic root of 1372144 is about 111.1219610146.

Adding to 1372144 its reverse (4412731), we get a palindrome (5784875).

The spelling of 1372144 in words is "one million, three hundred seventy-two thousand, one hundred forty-four".