11121451 has 8 divisors (see below), whose sum is σ = 12846384. Its totient is φ = 9515520.

The previous prime is 11121437. The next prime is 11121457. The reversal of 11121451 is 15412111.

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

It is a cyclic number.

It is not a de Polignac number, because 11121451 - 2¹¹ = 11119403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121457) 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, 29550 + ... + 29923.

It is an arithmetic number, because the mean of its divisors is an integer number (1605798).

Almost surely, 2^11121451 is an apocalyptic number.

11121451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11121451 is a deficient number, since it is larger than the sum of its proper divisors (1724933).

11121451 is a wasteful number, since it uses less digits than its factorization.

11121451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59501.

The product of its digits is 40, while the sum is 16.

The square root of 11121451 is about 3334.8839560021. The cubic root of 11121451 is about 223.2135138570.

Adding to 11121451 its reverse (15412111), we get a palindrome (26533562).

The spelling of 11121451 in words is "eleven million, one hundred twenty-one thousand, four hundred fifty-one".