11242889 has 8 divisors (see below), whose sum is σ = 13525440. Its totient is φ = 9129456.

The previous prime is 11242877. The next prime is 11242901. The reversal of 11242889 is 98824211.

11242889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11242877) and next prime (11242901).

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

It is not a de Polignac number, because 11242889 - 2⁴ = 11242873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242859) 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, 42134 + ... + 42399.

It is an arithmetic number, because the mean of its divisors is an integer number (1690680).

Almost surely, 2^11242889 is an apocalyptic number.

11242889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11242889 is a deficient number, since it is larger than the sum of its proper divisors (2282551).

11242889 is an equidigital number, since it uses as much as digits as its factorization.

11242889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84559.

The product of its digits is 9216, while the sum is 35.

The square root of 11242889 is about 3353.0417533935. The cubic root of 11242889 is about 224.0230166081.

The spelling of 11242889 in words is "eleven million, two hundred forty-two thousand, eight hundred eighty-nine".