1122618 has 16 divisors (see below), whose sum is σ = 2566080. Its totient is φ = 320736.

The previous prime is 1122599. The next prime is 1122623. The reversal of 1122618 is 8162211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1122594 and 1122603.

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, 13323 + ... + 13406.

It is an arithmetic number, because the mean of its divisors is an integer number (160380).

2^1122618 is an apocalyptic number.

1122618 is an abundant number, since it is smaller than the sum of its proper divisors (1443462).

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

1122618 is a wasteful number, since it uses less digits than its factorization.

1122618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26741.

The product of its digits is 192, while the sum is 21.

The square root of 1122618 is about 1059.5366912005. The cubic root of 1122618 is about 103.9307354379.

Adding to 1122618 its reverse (8162211), we get a palindrome (9284829).

It can be divided in two parts, 1122 and 618, that multiplied together give a palindrome (693396).

The spelling of 1122618 in words is "one million, one hundred twenty-two thousand, six hundred eighteen".