1211353 has 16 divisors (see below), whose sum is σ = 1463616. Its totient is φ = 987840.

The previous prime is 1211339. The next prime is 1211381. The reversal of 1211353 is 3531121.

It is a cyclic number.

It is not a de Polignac number, because 1211353 - 2¹³ = 1203161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1211303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6051 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

2^1211353 is an apocalyptic number.

1211353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1211353 is a deficient number, since it is larger than the sum of its proper divisors (252263).

1211353 is a wasteful number, since it uses less digits than its factorization.

1211353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its digits is 90, while the sum is 16.

The square root of 1211353 is about 1100.6148281756. The cubic root of 1211353 is about 106.5999267835.

Adding to 1211353 its reverse (3531121), we get a palindrome (4742474).

The spelling of 1211353 in words is "one million, two hundred eleven thousand, three hundred fifty-three".