100030401 has 6 divisors (see below), whose sum is σ = 144488370. Its totient is φ = 66686928.

The previous prime is 100030387. The next prime is 100030453. The reversal of 100030401 is 104030001.

It can be written as a sum of positive squares in only one way, i.e., 97002801 + 3027600 = 9849^2 + 1740^2 .

It is not a de Polignac number, because 100030401 - 2²¹ = 97933249 is a prime.

It is a super-2 number, since 2×100030401² = 20012162248441602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11114489 = 100030401 / (1 + 0 + 0 + 0 + 3 + 0 + 4 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (100030471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5557236 + ... + 5557253.

It is an arithmetic number, because the mean of its divisors is an integer number (24081395).

Almost surely, 2^100030401 is an apocalyptic number.

It is an amenable number.

100030401 is a deficient number, since it is larger than the sum of its proper divisors (44457969).

100030401 is a wasteful number, since it uses less digits than its factorization.

100030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114495 (or 11114492 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100030401 is about 10001.5199344900. The cubic root of 100030401 is about 464.2059149096.

Adding to 100030401 its reverse (104030001), we get a palindrome (204060402).

The spelling of 100030401 in words is "one hundred million, thirty thousand, four hundred one".