1121205230 has 8 divisors (see below), whose sum is σ = 2018169432. Its totient is φ = 448482088.

The previous prime is 1121205157. The next prime is 1121205247. The reversal of 1121205230 is 325021211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121205199 and 1121205208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56060252 + ... + 56060271.

It is an arithmetic number, because the mean of its divisors is an integer number (252271179).

Almost surely, 2^1121205230 is an apocalyptic number.

1121205230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121205230 is a deficient number, since it is larger than the sum of its proper divisors (896964202).

1121205230 is a wasteful number, since it uses less digits than its factorization.

1121205230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112120530.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1121205230 is about 33484.4027869693. The cubic root of 1121205230 is about 1038.8711957400.

Adding to 1121205230 its reverse (325021211), we get a palindrome (1446226441).

The spelling of 1121205230 in words is "one billion, one hundred twenty-one million, two hundred five thousand, two hundred thirty".