1021320232 has 32 divisors (see below), whose sum is σ = 1948605120. Its totient is φ = 501742080.

The previous prime is 1021320217. The next prime is 1021320239. The reversal of 1021320232 is 2320231201.

It is not an unprimeable number, because it can be changed into a prime (1021320239) 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, 171448 + ... + 177304.

It is an arithmetic number, because the mean of its divisors is an integer number (60893910).

Almost surely, 2^1021320232 is an apocalyptic number.

It is an amenable number.

1021320232 is a deficient number, since it is larger than the sum of its proper divisors (927284888).

1021320232 is a wasteful number, since it uses less digits than its factorization.

1021320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1021320232 is about 31958.1011951586. The cubic root of 1021320232 is about 1007.0568280375.

Adding to 1021320232 its reverse (2320231201), we get a palindrome (3341551433).

The spelling of 1021320232 in words is "one billion, twenty-one million, three hundred twenty thousand, two hundred thirty-two".