1218262 has 16 divisors (see below), whose sum is σ = 1906992. Its totient is φ = 583200.

The previous prime is 1218257. The next prime is 1218263. The reversal of 1218262 is 2628121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7393 + ... + 7555.

It is an arithmetic number, because the mean of its divisors is an integer number (119187).

2^1218262 is an apocalyptic number.

1218262 is a deficient number, since it is larger than the sum of its proper divisors (688730).

1218262 is a wasteful number, since it uses less digits than its factorization.

1218262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its digits is 384, while the sum is 22.

The square root of 1218262 is about 1103.7490656848. The cubic root of 1218262 is about 106.8022083362.

The spelling of 1218262 in words is "one million, two hundred eighteen thousand, two hundred sixty-two".