100601406 has 64 divisors (see below), whose sum is σ = 233107200. Its totient is φ = 32120928.

The previous prime is 100601387. The next prime is 100601407. The reversal of 100601406 is 604106001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100601407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355341 + ... + 355623.

It is an arithmetic number, because the mean of its divisors is an integer number (3642300).

Almost surely, 2^100601406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100601406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116553600).

100601406 is an abundant number, since it is smaller than the sum of its proper divisors (132505794).

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

100601406 is a wasteful number, since it uses less digits than its factorization.

100601406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100601406 is about 10030.0252242953. The cubic root of 100601406 is about 465.0875173463.

Adding to 100601406 its reverse (604106001), we get a palindrome (704707407).

The spelling of 100601406 in words is "one hundred million, six hundred one thousand, four hundred six".