11820127 has 6 divisors (see below), whose sum is σ = 12992504. Its totient is φ = 10745460.

The previous prime is 11820121. The next prime is 11820161. The reversal of 11820127 is 72102811.

It is a de Polignac number, because none of the positive numbers 2^k-11820127 is a prime.

It is a super-2 number, since 2×11820127² = 279430804592258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11820098 and 11820107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11820121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48723 + ... + 48964.

Almost surely, 2^11820127 is an apocalyptic number.

11820127 is a deficient number, since it is larger than the sum of its proper divisors (1172377).

11820127 is an equidigital number, since it uses as much as digits as its factorization.

11820127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97709 (or 97698 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11820127 is about 3438.0411574034. The cubic root of 11820127 is about 227.7931783537.

Adding to 11820127 its reverse (72102811), we get a palindrome (83922938).

The spelling of 11820127 in words is "eleven million, eight hundred twenty thousand, one hundred twenty-seven".