1211552 has 12 divisors (see below), whose sum is σ = 2385306. Its totient is φ = 605760.

The previous prime is 1211549. The next prime is 1211563. The reversal of 1211552 is 2551121.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 512656 = 836^2 + 716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1211552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18899 + ... + 18962.

2^1211552 is an apocalyptic number.

It is an amenable number.

1211552 is a deficient number, since it is larger than the sum of its proper divisors (1173754).

1211552 is an equidigital number, since it uses as much as digits as its factorization.

1211552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37871 (or 37863 counting only the distinct ones).

The product of its digits is 100, while the sum is 17.

The square root of 1211552 is about 1100.7052284785. The cubic root of 1211552 is about 106.6057638444.

Adding to 1211552 its reverse (2551121), we get a palindrome (3762673).

It can be divided in two parts, 12115 and 52, that added together give a cube (12167 = 23³).

The spelling of 1211552 in words is "one million, two hundred eleven thousand, five hundred fifty-two".