100401600 has 168 divisors, whose sum is σ = 354959920. Its totient is φ = 24698880.

The previous prime is 100401599. The next prime is 100401611. The reversal of 100401600 is 6104001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61596 + ... + 63204.

Almost surely, 2^100401600 is an apocalyptic number.

100401600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100401600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177479960).

100401600 is an abundant number, since it is smaller than the sum of its proper divisors (254558320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100401600 is a wasteful number, since it uses less digits than its factorization.

100401600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100401600 is about 10020.0598800606. The cubic root of 100401600 is about 464.7794074514.

Adding to 100401600 its reverse (6104001), we get a palindrome (106505601).

The spelling of 100401600 in words is "one hundred million, four hundred one thousand, six hundred".