1122654 has 32 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 335232.

The previous prime is 1122647. The next prime is 1122659. The reversal of 1122654 is 4562211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122659) 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, 2692 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2^1122654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244880).

1122654 is an abundant number, since it is smaller than the sum of its proper divisors (1367106).

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

1122654 is a wasteful number, since it uses less digits than its factorization.

1122654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

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

The square root of 1122654 is about 1059.5536796218. The cubic root of 1122654 is about 103.9318463727.

Adding to 1122654 its reverse (4562211), we get a palindrome (5684865).

The spelling of 1122654 in words is "one million, one hundred twenty-two thousand, six hundred fifty-four".