11121398 has 8 divisors (see below), whose sum is σ = 16955760. Its totient is φ = 5469480.

The previous prime is 11121389. The next prime is 11121421. The reversal of 11121398 is 89312111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45458 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (2119470).

Almost surely, 2^11121398 is an apocalyptic number.

11121398 is a deficient number, since it is larger than the sum of its proper divisors (5834362).

11121398 is an equidigital number, since it uses as much as digits as its factorization.

11121398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91222.

The product of its digits is 432, while the sum is 26.

The square root of 11121398 is about 3334.8760096891. The cubic root of 11121398 is about 223.2131592769.

The spelling of 11121398 in words is "eleven million, one hundred twenty-one thousand, three hundred ninety-eight".