11470121 has 24 divisors (see below), whose sum is σ = 13616064. Its totient is φ = 9596160.

The previous prime is 11470117. The next prime is 11470127. The reversal of 11470121 is 12107411.

It is not a de Polignac number, because 11470121 - 2² = 11470117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 11470121.

It is not an unprimeable number, because it can be changed into a prime (11470127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161516 + ... + 161586.

It is an arithmetic number, because the mean of its divisors is an integer number (567336).

Almost surely, 2^11470121 is an apocalyptic number.

It is an amenable number.

11470121 is a deficient number, since it is larger than the sum of its proper divisors (2145943).

11470121 is a wasteful number, since it uses less digits than its factorization.

11470121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 11470121 is about 3386.7567081206. The cubic root of 11470121 is about 225.5222174657.

Adding to 11470121 its reverse (12107411), we get a palindrome (23577532).

The spelling of 11470121 in words is "eleven million, four hundred seventy thousand, one hundred twenty-one".