100705230 has 24 divisors (see below), whose sum is σ = 261833832. Its totient is φ = 26854704.

The previous prime is 100705217. The next prime is 100705237. The reversal of 100705230 is 32507001.

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 (100705237) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 559384 + ... + 559563.

It is an arithmetic number, because the mean of its divisors is an integer number (10909743).

Almost surely, 2^100705230 is an apocalyptic number.

100705230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100705230 is an abundant number, since it is smaller than the sum of its proper divisors (161128602).

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

100705230 is a wasteful number, since it uses less digits than its factorization.

100705230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118960 (or 1118957 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 100705230 is about 10035.1995495854. The cubic root of 100705230 is about 465.2474576046.

The spelling of 100705230 in words is "one hundred million, seven hundred five thousand, two hundred thirty".