1217253 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 777216.

The previous prime is 1217233. The next prime is 1217261. The reversal of 1217253 is 3527121.

It is not a de Polignac number, because 1217253 - 2⁸ = 1216997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12501 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1217253 is an apocalyptic number.

It is an amenable number.

1217253 is a deficient number, since it is larger than the sum of its proper divisors (476187).

1217253 is an equidigital number, since it uses as much as digits as its factorization.

1217253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its digits is 420, while the sum is 21.

The square root of 1217253 is about 1103.2918924745. The cubic root of 1217253 is about 106.7727146277.

The spelling of 1217253 in words is "one million, two hundred seventeen thousand, two hundred fifty-three".