1072144 has 20 divisors (see below), whose sum is σ = 2099196. Its totient is φ = 530432.

The previous prime is 1072133. The next prime is 1072147. The reversal of 1072144 is 4412701.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 810000 = 512^2 + 900^2 .

It is a super-2 number, since 2×1072144² = 2298985513472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072147) 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, 1512 + ... + 2104.

2^1072144 is an apocalyptic number.

It is an amenable number.

1072144 is a deficient number, since it is larger than the sum of its proper divisors (1027052).

1072144 is a wasteful number, since it uses less digits than its factorization.

1072144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1072144 is about 1035.4438661753. The cubic root of 1072144 is about 102.3491813270.

Adding to 1072144 its reverse (4412701), we get a palindrome (5484845).

The spelling of 1072144 in words is "one million, seventy-two thousand, one hundred forty-four".