1218054 has 16 divisors (see below), whose sum is σ = 2464560. Its totient is φ = 401280.

The previous prime is 1218043. The next prime is 1218089. The reversal of 1218054 is 4508121.

It is a self number, because there is not a number n which added to its sum of digits gives 1218054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (154035).

2^1218054 is an apocalyptic number.

1218054 is an abundant number, since it is smaller than the sum of its proper divisors (1246506).

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

1218054 is a wasteful number, since it uses less digits than its factorization.

1218054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1218054 is about 1103.6548373473. The cubic root of 1218054 is about 106.7961296974.

The spelling of 1218054 in words is "one million, two hundred eighteen thousand, fifty-four".