1021120232 has 48 divisors (see below), whose sum is σ = 2218799520. Its totient is φ = 436832000.

The previous prime is 1021120223. The next prime is 1021120279. The reversal of 1021120232 is 2320211201.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 5357 + ... + 45507.

It is an arithmetic number, because the mean of its divisors is an integer number (46224990).

Almost surely, 2^1021120232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109399760).

1021120232 is an abundant number, since it is smaller than the sum of its proper divisors (1197679288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021120232 is a wasteful number, since it uses less digits than its factorization.

1021120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40202 (or 40181 counting only the distinct ones).

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

The square root of 1021120232 is about 31954.9719449102. The cubic root of 1021120232 is about 1006.9910881230.

Adding to 1021120232 its reverse (2320211201), we get a palindrome (3341331433).

The spelling of 1021120232 in words is "one billion, twenty-one million, one hundred twenty thousand, two hundred thirty-two".