1121020232 has 16 divisors (see below), whose sum is σ = 2114501760. Its totient is φ = 557153104.

The previous prime is 1121020231. The next prime is 1121020247. The reversal of 1121020232 is 2320201211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121020231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418208 + ... + 420879.

It is an arithmetic number, because the mean of its divisors is an integer number (132156360).

Almost surely, 2^1121020232 is an apocalyptic number.

It is an amenable number.

1121020232 is a deficient number, since it is larger than the sum of its proper divisors (993481528).

1121020232 is a wasteful number, since it uses less digits than its factorization.

1121020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839260 (or 839256 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1121020232 is about 33481.6402226653. The cubic root of 1121020232 is about 1038.8140549480.

Adding to 1121020232 its reverse (2320201211), we get a palindrome (3441221443).

The spelling of 1121020232 in words is "one billion, one hundred twenty-one million, twenty thousand, two hundred thirty-two".