11242857 has 8 divisors (see below), whose sum is σ = 15395776. Its totient is φ = 7292592.

The previous prime is 11242843. The next prime is 11242859. The reversal of 11242857 is 75824211.

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

It is not a de Polignac number, because 11242857 - 2⁶ = 11242793 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50533 + ... + 50754.

It is an arithmetic number, because the mean of its divisors is an integer number (1924472).

Almost surely, 2^11242857 is an apocalyptic number.

It is an amenable number.

11242857 is a deficient number, since it is larger than the sum of its proper divisors (4152919).

11242857 is a wasteful number, since it uses less digits than its factorization.

11242857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101327.

The product of its digits is 4480, while the sum is 30.

The square root of 11242857 is about 3353.0369816034. The cubic root of 11242857 is about 224.0228040666.

The spelling of 11242857 in words is "eleven million, two hundred forty-two thousand, eight hundred fifty-seven".