100420004 has 12 divisors (see below), whose sum is σ = 175903728. Its totient is φ = 50161800.

The previous prime is 100419973. The next prime is 100420009. The reversal of 100420004 is 400024001.

It is not an unprimeable number, because it can be changed into a prime (100420009) 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, 7142 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (14658644).

Almost surely, 2^100420004 is an apocalyptic number.

It is an amenable number.

100420004 is a deficient number, since it is larger than the sum of its proper divisors (75483724).

100420004 is a wasteful number, since it uses less digits than its factorization.

100420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24106 (or 24104 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 100420004 is about 10020.9781957651. The cubic root of 100420004 is about 464.8078043349.

Adding to 100420004 its reverse (400024001), we get a palindrome (500444005).

The spelling of 100420004 in words is "one hundred million, four hundred twenty thousand, four".