11121370 has 16 divisors (see below), whose sum is σ = 21558600. Its totient is φ = 4106304.

The previous prime is 11121359. The next prime is 11121371. The reversal of 11121370 is 7312111.

It can be written as a sum of positive squares in 4 ways, for example, as 3286969 + 7834401 = 1813^2 + 2799^2 .

It is not an unprimeable number, because it can be changed into a prime (11121371) 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, 42645 + ... + 42904.

Almost surely, 2^11121370 is an apocalyptic number.

11121370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121370 is a deficient number, since it is larger than the sum of its proper divisors (10437230).

11121370 is a wasteful number, since it uses less digits than its factorization.

11121370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85569.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11121370 is about 3334.8718116293. The cubic root of 11121370 is about 223.2129719511.

Adding to 11121370 its reverse (7312111), we get a palindrome (18433481).

The spelling of 11121370 in words is "eleven million, one hundred twenty-one thousand, three hundred seventy".