100200401 has 16 divisors (see below), whose sum is σ = 118563840. Its totient is φ = 82866240.

The previous prime is 100200391. The next prime is 100200407. The reversal of 100200401 is 104002001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100200401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100200407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120455 + ... + 121283.

It is an arithmetic number, because the mean of its divisors is an integer number (7410240).

Almost surely, 2^100200401 is an apocalyptic number.

It is an amenable number.

100200401 is a deficient number, since it is larger than the sum of its proper divisors (18363439).

100200401 is an equidigital number, since it uses as much as digits as its factorization.

100200401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 100200401 is about 10010.0150349537. The cubic root of 100200401 is about 464.4687361519.

Adding to 100200401 its reverse (104002001), we get a palindrome (204202402).

The spelling of 100200401 in words is "one hundred million, two hundred thousand, four hundred one".