1020432101 has 8 divisors (see below), whose sum is σ = 1101337944. Its totient is φ = 939870720.

The previous prime is 1020432071. The next prime is 1020432103. The reversal of 1020432101 is 1012340201.

It can be written as a sum of positive squares in 4 ways, for example, as 27552001 + 992880100 = 5249^2 + 31510^2 .

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 1020432101 - 2⁶ = 1020432037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020432103) by changing a digit.

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, 79940 + ... + 91821.

It is an arithmetic number, because the mean of its divisors is an integer number (137667243).

Almost surely, 2^1020432101 is an apocalyptic number.

It is an amenable number.

1020432101 is a deficient number, since it is larger than the sum of its proper divisors (80905843).

1020432101 is a wasteful number, since it uses less digits than its factorization.

1020432101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172231.

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

The square root of 1020432101 is about 31944.2029326136. The cubic root of 1020432101 is about 1006.7648341591.

Adding to 1020432101 its reverse (1012340201), we get a palindrome (2032772302).

The spelling of 1020432101 in words is "one billion, twenty million, four hundred thirty-two thousand, one hundred one".