100420132 has 6 divisors (see below), whose sum is σ = 175735238. Its totient is φ = 50210064.

The previous prime is 100420097. The next prime is 100420141. The reversal of 100420132 is 231024001.

It can be written as a sum of positive squares in only one way, i.e., 81288256 + 19131876 = 9016^2 + 4374^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12552513 + ... + 12552520.

Almost surely, 2^100420132 is an apocalyptic number.

It is an amenable number.

100420132 is a deficient number, since it is larger than the sum of its proper divisors (75315106).

100420132 is a wasteful number, since it uses less digits than its factorization.

100420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25105037 (or 25105035 counting only the distinct ones).

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

The square root of 100420132 is about 10020.9845823651. The cubic root of 100420132 is about 464.8080018234.

Adding to 100420132 its reverse (231024001), we get a palindrome (331444133).

The spelling of 100420132 in words is "one hundred million, four hundred twenty thousand, one hundred thirty-two".