11087121 has 8 divisors (see below), whose sum is σ = 14798880. Its totient is φ = 7383392.

The previous prime is 11087117. The next prime is 11087129. The reversal of 11087121 is 12178011.

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 11087121 - 2² = 11087117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11087129) 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, 3010 + ... + 5588.

It is an arithmetic number, because the mean of its divisors is an integer number (1849860).

Almost surely, 2^11087121 is an apocalyptic number.

It is an amenable number.

11087121 is a deficient number, since it is larger than the sum of its proper divisors (3711759).

11087121 is a wasteful number, since it uses less digits than its factorization.

11087121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 11087121 is about 3329.7328721686. The cubic root of 11087121 is about 222.9836032640.

The spelling of 11087121 in words is "eleven million, eighty-seven thousand, one hundred twenty-one".