1121174409 has 8 divisors (see below), whose sum is σ = 1498129792. Its totient is φ = 745834320.

The previous prime is 1121174387. The next prime is 1121174443. The reversal of 1121174409 is 9044711211.

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

It is not a de Polignac number, because 1121174409 - 2⁵ = 1121174377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121174609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402202 + ... + 404979.

It is an arithmetic number, because the mean of its divisors is an integer number (187266224).

Almost surely, 2^1121174409 is an apocalyptic number.

It is an amenable number.

1121174409 is a deficient number, since it is larger than the sum of its proper divisors (376955383).

1121174409 is an equidigital number, since it uses as much as digits as its factorization.

1121174409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807647.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1121174409 is about 33483.9425546037. The cubic root of 1121174409 is about 1038.8616764175.

The spelling of 1121174409 in words is "one billion, one hundred twenty-one million, one hundred seventy-four thousand, four hundred nine".