100402210 has 8 divisors (see below), whose sum is σ = 180723996. Its totient is φ = 40160880.

The previous prime is 100402207. The next prime is 100402217. The reversal of 100402210 is 12204001.

It can be written as a sum of positive squares in 2 ways, for example, as 85433049 + 14969161 = 9243^2 + 3869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10040221 = 100402210 / (1 + 0 + 0 + 4 + 0 + 2 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (100402217) 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 3 ways as a sum of consecutive naturals, for example, 5020101 + ... + 5020120.

Almost surely, 2^100402210 is an apocalyptic number.

100402210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100402210 is a deficient number, since it is larger than the sum of its proper divisors (80321786).

100402210 is a wasteful number, since it uses less digits than its factorization.

100402210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10040228.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100402210 is about 10020.0903189542. The cubic root of 100402210 is about 464.7803487208.

Adding to 100402210 its reverse (12204001), we get a palindrome (112606211).

The spelling of 100402210 in words is "one hundred million, four hundred two thousand, two hundred ten".