11645121 has 8 divisors (see below), whose sum is σ = 15946624. Its totient is φ = 7553520.

The previous prime is 11645113. The next prime is 11645147. The reversal of 11645121 is 12154611.

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

It is not a de Polignac number, because 11645121 - 2³ = 11645113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11645111) 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, 52345 + ... + 52566.

It is an arithmetic number, because the mean of its divisors is an integer number (1993328).

Almost surely, 2^11645121 is an apocalyptic number.

It is an amenable number.

11645121 is a deficient number, since it is larger than the sum of its proper divisors (4301503).

11645121 is a wasteful number, since it uses less digits than its factorization.

11645121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104951.

The product of its digits is 240, while the sum is 21.

The square root of 11645121 is about 3412.4948351609. The cubic root of 11645121 is about 226.6633666859.

Adding to 11645121 its reverse (12154611), we get a palindrome (23799732).

The spelling of 11645121 in words is "eleven million, six hundred forty-five thousand, one hundred twenty-one".