11121654 has 16 divisors (see below), whose sum is σ = 22276800. Its totient is φ = 3701640.

The previous prime is 11121647. The next prime is 11121661. The reversal of 11121654 is 45612111.

It is an interprime number because it is at equal distance from previous prime (11121647) and next prime (11121661).

It is a self number, because there is not a number n which added to its sum of digits gives 11121654.

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, 5697 + ... + 7395.

It is an arithmetic number, because the mean of its divisors is an integer number (1392300).

Almost surely, 2^11121654 is an apocalyptic number.

11121654 is an abundant number, since it is smaller than the sum of its proper divisors (11155146).

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

11121654 is a wasteful number, since it uses less digits than its factorization.

11121654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its digits is 240, while the sum is 21.

The square root of 11121654 is about 3334.9143917048. The cubic root of 11121654 is about 223.2148719552.

Adding to 11121654 its reverse (45612111), we get a palindrome (56733765).

The spelling of 11121654 in words is "eleven million, one hundred twenty-one thousand, six hundred fifty-four".