1211441 has 8 divisors (see below), whose sum is σ = 1510464. Its totient is φ = 943920.

The previous prime is 1211423. The next prime is 1211443. The reversal of 1211441 is 1441121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211441 is a prime.

It is a super-3 number, since 3×1211441³ = 5333693534754717363, which contains 333 as substring.

It is a Duffinian number.

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, 7790 + ... + 7943.

It is an arithmetic number, because the mean of its divisors is an integer number (188808).

2^1211441 is an apocalyptic number.

1211441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1211441 is a deficient number, since it is larger than the sum of its proper divisors (299023).

1211441 is a wasteful number, since it uses less digits than its factorization.

1211441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15751.

The product of its digits is 32, while the sum is 14.

The square root of 1211441 is about 1100.6548051047. The cubic root of 1211441 is about 106.6025080752.

Adding to 1211441 its reverse (1441121), we get a palindrome (2652562).

The spelling of 1211441 in words is "one million, two hundred eleven thousand, four hundred forty-one".