1212544 has 16 divisors (see below), whose sum is σ = 2415870. Its totient is φ = 606208.

The previous prime is 1212521. The next prime is 1212551. The reversal of 1212544 is 4452121.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 506944 = 840^2 + 712^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4609 + ... + 4864.

2^1212544 is an apocalyptic number.

It is an amenable number.

1212544 is a deficient number, since it is larger than the sum of its proper divisors (1203326).

1212544 is an frugal number, since it uses more digits than its factorization.

1212544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487 (or 9475 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 1212544 is about 1101.1557564668. The cubic root of 1212544 is about 106.6348516227.

Adding to 1212544 its reverse (4452121), we get a palindrome (5664665).

The spelling of 1212544 in words is "one million, two hundred twelve thousand, five hundred forty-four".