11251201 has 4 divisors (see below), whose sum is σ = 12116692. Its totient is φ = 10385712.

The previous prime is 11251199. The next prime is 11251213. The reversal of 11251201 is 10215211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3326976 + 7924225 = 1824^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 11251201 - 2¹ = 11251199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 865477 = 11251201 / (1 + 1 + 2 + 5 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11251601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432726 + ... + 432751.

It is an arithmetic number, because the mean of its divisors is an integer number (3029173).

Almost surely, 2^11251201 is an apocalyptic number.

It is an amenable number.

11251201 is a deficient number, since it is larger than the sum of its proper divisors (865491).

11251201 is an equidigital number, since it uses as much as digits as its factorization.

11251201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865490.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 11251201 is about 3354.2809959811. The cubic root of 11251201 is about 224.0782106250.

Adding to 11251201 its reverse (10215211), we get a palindrome (21466412).

The spelling of 11251201 in words is "eleven million, two hundred fifty-one thousand, two hundred one".