11440121 has 8 divisors (see below), whose sum is σ = 14263104. Its totient is φ = 8914320.

The previous prime is 11440097. The next prime is 11440127. The reversal of 11440121 is 12104411.

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

It is a cyclic number.

It is not a de Polignac number, because 11440121 - 2⁶ = 11440057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11440096 and 11440105.

It is not an unprimeable number, because it can be changed into a prime (11440127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74210 + ... + 74363.

It is an arithmetic number, because the mean of its divisors is an integer number (1782888).

Almost surely, 2^11440121 is an apocalyptic number.

11440121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11440121 is a deficient number, since it is larger than the sum of its proper divisors (2822983).

11440121 is a wasteful number, since it uses less digits than its factorization.

11440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148591.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 11440121 is about 3382.3247922102. The cubic root of 11440121 is about 225.3254286779.

Adding to 11440121 its reverse (12104411), we get a palindrome (23544532).

The spelling of 11440121 in words is "eleven million, four hundred forty thousand, one hundred twenty-one".