11252121 has 8 divisors (see below), whose sum is σ = 15249024. Its totient is φ = 7378320.

The previous prime is 11252099. The next prime is 11252141. The reversal of 11252121 is 12125211.

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

It is not a de Polignac number, because 11252121 - 2⁵ = 11252089 is a prime.

It is a super-2 number, since 2×11252121² = 253220453997282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11252121.

It is not an unprimeable number, because it can be changed into a prime (11252141) 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, 30561 + ... + 30926.

It is an arithmetic number, because the mean of its divisors is an integer number (1906128).

Almost surely, 2^11252121 is an apocalyptic number.

It is an amenable number.

11252121 is a deficient number, since it is larger than the sum of its proper divisors (3996903).

11252121 is an equidigital number, since it uses as much as digits as its factorization.

11252121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61551.

The product of its digits is 40, while the sum is 15.

The square root of 11252121 is about 3354.4181313605. The cubic root of 11252121 is about 224.0843180126.

Adding to 11252121 its reverse (12125211), we get a palindrome (23377332).

The spelling of 11252121 in words is "eleven million, two hundred fifty-two thousand, one hundred twenty-one".