1216254 has 32 divisors (see below), whose sum is σ = 2709504. Its totient is φ = 361440.

The previous prime is 1216249. The next prime is 1216273. The reversal of 1216254 is 4526121.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1216254.

It is a congruent number.

It is an unprimeable number.

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, 2167 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

2^1216254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1216254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354752).

1216254 is an abundant number, since it is smaller than the sum of its proper divisors (1493250).

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

1216254 is a wasteful number, since it uses less digits than its factorization.

1216254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 480, while the sum is 21.

The square root of 1216254 is about 1102.8390635084. The cubic root of 1216254 is about 106.7434971641.

The spelling of 1216254 in words is "one million, two hundred sixteen thousand, two hundred fifty-four".