11626121 has 8 divisors (see below), whose sum is σ = 12548424. Its totient is φ = 10707840.

The previous prime is 11626117. The next prime is 11626123. The reversal of 11626121 is 12162611.

It can be written as a sum of positive squares in 4 ways, for example, as 6056521 + 5569600 = 2461^2 + 2360^2 .

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

It is not a de Polignac number, because 11626121 - 2² = 11626117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11626093 and 11626102.

It is not an unprimeable number, because it can be changed into a prime (11626123) 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 7 ways as a sum of consecutive naturals, for example, 8141 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (1568553).

Almost surely, 2^11626121 is an apocalyptic number.

It is an amenable number.

11626121 is a deficient number, since it is larger than the sum of its proper divisors (922303).

11626121 is a wasteful number, since it uses less digits than its factorization.

11626121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 144, while the sum is 20.

The square root of 11626121 is about 3409.7098116995. The cubic root of 11626121 is about 226.5400260958.

Adding to 11626121 its reverse (12162611), we get a palindrome (23788732).

The spelling of 11626121 in words is "eleven million, six hundred twenty-six thousand, one hundred twenty-one".