1211448 has 32 divisors (see below), whose sum is σ = 3461760. Its totient is φ = 346080.

The previous prime is 1211443. The next prime is 1211477. The reversal of 1211448 is 8441121.

It is a happy number.

It is a super-3 number, since 3×1211448³ = 5333785993414642176, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (108180).

2^1211448 is an apocalyptic number.

It is an amenable number.

1211448 is an abundant number, since it is smaller than the sum of its proper divisors (2250312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211448 is a wasteful number, since it uses less digits than its factorization.

1211448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227 (or 7223 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1211448 is about 1100.6579850253. The cubic root of 1211448 is about 106.6027133998.

Adding to 1211448 its reverse (8441121), we get a palindrome (9652569).

The spelling of 1211448 in words is "one million, two hundred eleven thousand, four hundred forty-eight".