100700000 has 144 divisors (see below), whose sum is σ = 265764240. Its totient is φ = 37440000.

The previous prime is 100699987. The next prime is 100700009. The reversal of 100700000 is 7001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100700009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899974 + ... + 1900026.

It is an arithmetic number, because the mean of its divisors is an integer number (1845585).

Almost surely, 2^100700000 is an apocalyptic number.

100700000 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 100700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132882120).

100700000 is an abundant number, since it is smaller than the sum of its proper divisors (165064240).

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

100700000 is an frugal number, since it uses more digits than its factorization.

100700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 7, while the sum is 8.

The square root of 100700000 is about 10034.9389634417. The cubic root of 100700000 is about 465.2394034505.

Adding to 100700000 its reverse (7001), we get a palindrome (100707001).

The spelling of 100700000 in words is "one hundred million, seven hundred thousand".