1021200232 has 32 divisors (see below), whose sum is σ = 2065782600. Its totient is φ = 470467584.

The previous prime is 1021200209. The next prime is 1021200241. The reversal of 1021200232 is 2320021201.

It can be written as a sum of positive squares in 4 ways, for example, as 233050756 + 788149476 = 15266^2 + 28074^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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 7 ways as a sum of consecutive naturals, for example, 50548 + ... + 67804.

Almost surely, 2^1021200232 is an apocalyptic number.

It is an amenable number.

1021200232 is an abundant number, since it is smaller than the sum of its proper divisors (1044582368).

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

1021200232 is a wasteful number, since it uses less digits than its factorization.

1021200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17845 (or 17841 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1021200232 is about 31956.2236817807. The cubic root of 1021200232 is about 1007.0173851188.

Adding to 1021200232 its reverse (2320021201), we get a palindrome (3341221433).

The spelling of 1021200232 in words is "one billion, twenty-one million, two hundred thousand, two hundred thirty-two".