1032520021 has 8 divisors (see below), whose sum is σ = 1170468320. Its totient is φ = 902932272.

The previous prime is 1032520019. The next prime is 1032520051. The reversal of 1032520021 is 1200252301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1032520021 - 2¹ = 1032520019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1032519977 and 1032520004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032520051) 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, 2089875 + ... + 2090368.

It is an arithmetic number, because the mean of its divisors is an integer number (146308540).

Almost surely, 2^1032520021 is an apocalyptic number.

It is an amenable number.

1032520021 is a deficient number, since it is larger than the sum of its proper divisors (137948299).

1032520021 is a wasteful number, since it uses less digits than its factorization.

1032520021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180275.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1032520021 is about 32132.8495624026. The cubic root of 1032520021 is about 1010.7245792321.

Adding to 1032520021 its reverse (1200252301), we get a palindrome (2232772322).

The spelling of 1032520021 in words is "one billion, thirty-two million, five hundred twenty thousand, twenty-one".