1032232021 has 4 divisors (see below), whose sum is σ = 1033244044. Its totient is φ = 1031220000.

The previous prime is 1032231983. The next prime is 1032232037. The reversal of 1032232021 is 1202322301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 650811121 + 381420900 = 25511^2 + 19530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1032232021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1032231986 and 1032232004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012232021) 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, 504480 + ... + 506521.

It is an arithmetic number, because the mean of its divisors is an integer number (258311011).

Almost surely, 2^1032232021 is an apocalyptic number.

It is an amenable number.

1032232021 is a deficient number, since it is larger than the sum of its proper divisors (1012023).

1032232021 is a wasteful number, since it uses less digits than its factorization.

1032232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012022.

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

The square root of 1032232021 is about 32128.3678545923. The cubic root of 1032232021 is about 1010.6305969552.

Adding to 1032232021 its reverse (1202322301), we get a palindrome (2234554322).

The spelling of 1032232021 in words is "one billion, thirty-two million, two hundred thirty-two thousand, twenty-one".