11129217 has 48 divisors (see below), whose sum is σ = 17977344. Its totient is φ = 6098400.

The previous prime is 11129191. The next prime is 11129219. The reversal of 11129217 is 71292111.

It is not a de Polignac number, because 11129217 - 2¹¹ = 11127169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11129219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258798 + ... + 258840.

It is an arithmetic number, because the mean of its divisors is an integer number (374528).

Almost surely, 2^11129217 is an apocalyptic number.

It is an amenable number.

11129217 is a deficient number, since it is larger than the sum of its proper divisors (6848127).

11129217 is a wasteful number, since it uses less digits than its factorization.

11129217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 111 counting only the distinct ones).

The product of its digits is 252, while the sum is 24.

The square root of 11129217 is about 3336.0481111639. The cubic root of 11129217 is about 223.2654577030.

The spelling of 11129217 in words is "eleven million, one hundred twenty-nine thousand, two hundred seventeen".