11822129 has 16 divisors (see below), whose sum is σ = 13687296. Its totient is φ = 10108800.

The previous prime is 11822093. The next prime is 11822143. The reversal of 11822129 is 92122811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11822129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11822098 and 11822107.

It is not an unprimeable number, because it can be changed into a prime (11822149) 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, 12149 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (855456).

Almost surely, 2^11822129 is an apocalyptic number.

It is an amenable number.

11822129 is a deficient number, since it is larger than the sum of its proper divisors (1865167).

11822129 is a wasteful number, since it uses less digits than its factorization.

11822129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its digits is 576, while the sum is 26.

The square root of 11822129 is about 3438.3322992404. The cubic root of 11822129 is about 227.8060382324.

The spelling of 11822129 in words is "eleven million, eight hundred twenty-two thousand, one hundred twenty-nine".