11220127 has 8 divisors (see below), whose sum is σ = 11923200. Its totient is φ = 10528344.

The previous prime is 11220107. The next prime is 11220137. The reversal of 11220127 is 72102211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220127 is a prime.

It is a super-2 number, since 2×11220127² = 251782499792258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (1490400).

Almost surely, 2^11220127 is an apocalyptic number.

11220127 is a deficient number, since it is larger than the sum of its proper divisors (703073).

11220127 is a wasteful number, since it uses less digits than its factorization.

11220127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11220127 is about 3349.6458021707. The cubic root of 11220127 is about 223.8717311448.

Adding to 11220127 its reverse (72102211), we get a palindrome (83322338).

The spelling of 11220127 in words is "eleven million, two hundred twenty thousand, one hundred twenty-seven".