1211253 has 8 divisors (see below), whose sum is σ = 1625568. Its totient is φ = 802224.

The previous prime is 1211227. The next prime is 1211261. The reversal of 1211253 is 3521121.

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

It is not a de Polignac number, because 1211253 - 2¹⁰ = 1210229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211653) 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 7 ways as a sum of consecutive naturals, for example, 750 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (203196).

2^1211253 is an apocalyptic number.

It is an amenable number.

1211253 is a deficient number, since it is larger than the sum of its proper divisors (414315).

1211253 is a wasteful number, since it uses less digits than its factorization.

1211253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643.

The product of its digits is 60, while the sum is 15.

The square root of 1211253 is about 1100.5693980845. The cubic root of 1211253 is about 106.5969933457.

Adding to 1211253 its reverse (3521121), we get a palindrome (4732374).

The spelling of 1211253 in words is "one million, two hundred eleven thousand, two hundred fifty-three".