1211152 has 20 divisors (see below), whose sum is σ = 2388240. Its totient is φ = 594848.

The previous prime is 1211141. The next prime is 1211167. The reversal of 1211152 is 2511121.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (119412).

2^1211152 is an apocalyptic number.

It is an amenable number.

1211152 is a deficient number, since it is larger than the sum of its proper divisors (1177088).

1211152 is a wasteful number, since it uses less digits than its factorization.

1211152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1344 counting only the distinct ones).

The product of its digits is 20, while the sum is 13.

The square root of 1211152 is about 1100.5235117888. The cubic root of 1211152 is about 106.5940304096.

Adding to 1211152 its reverse (2511121), we get a palindrome (3722273).

The spelling of 1211152 in words is "one million, two hundred eleven thousand, one hundred fifty-two".