11442001 has 4 divisors (see below), whose sum is σ = 11479104. Its totient is φ = 11404900.

The previous prime is 11441981. The next prime is 11442019. The reversal of 11442001 is 10024411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10024411 = 499 ⋅20089.

It is a cyclic number.

It is not a de Polignac number, because 11442001 - 2¹⁹ = 10917713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442031) 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 3 ways as a sum of consecutive naturals, for example, 18085 + ... + 18706.

It is an arithmetic number, because the mean of its divisors is an integer number (2869776).

Almost surely, 2^11442001 is an apocalyptic number.

It is an amenable number.

11442001 is a deficient number, since it is larger than the sum of its proper divisors (37103).

11442001 is an equidigital number, since it uses as much as digits as its factorization.

11442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37102.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11442001 is about 3382.6026961498. The cubic root of 11442001 is about 225.3377708726.

Adding to 11442001 its reverse (10024411), we get a palindrome (21466412).

The spelling of 11442001 in words is "eleven million, four hundred forty-two thousand, one".