100420234 has 8 divisors (see below), whose sum is σ = 154304388. Its totient is φ = 48985440.

The previous prime is 100420217. The next prime is 100420261. The reversal of 100420234 is 432024001.

It can be written as a sum of positive squares in 2 ways, for example, as 61669609 + 38750625 = 7853^2 + 6225^2 .

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

It is a super-2 number, since 2×100420234² = 20168446793229512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612237 + ... + 612400.

Almost surely, 2^100420234 is an apocalyptic number.

100420234 is a deficient number, since it is larger than the sum of its proper divisors (53884154).

100420234 is a wasteful number, since it uses less digits than its factorization.

100420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224680.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100420234 is about 10020.9896716841. The cubic root of 100420234 is about 464.8081591969.

Adding to 100420234 its reverse (432024001), we get a palindrome (532444235).

The spelling of 100420234 in words is "one hundred million, four hundred twenty thousand, two hundred thirty-four".