100402122 has 8 divisors (see below), whose sum is σ = 200804256. Its totient is φ = 33467372.

The previous prime is 100402117. The next prime is 100402123. The reversal of 100402122 is 221204001.

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

100402122 is an admirable number.

It is a super-2 number, since 2×100402122² = 20161172204205768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100402098 and 100402107.

It is not an unprimeable number, because it can be changed into a prime (100402123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8366838 + ... + 8366849.

It is an arithmetic number, because the mean of its divisors is an integer number (25100532).

Almost surely, 2^100402122 is an apocalyptic number.

100402122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100402122 is a wasteful number, since it uses less digits than its factorization.

100402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16733692.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 100402122 is about 10020.0859277753. The cubic root of 100402122 is about 464.7802129314.

Adding to 100402122 its reverse (221204001), we get a palindrome (321606123).

The spelling of 100402122 in words is "one hundred million, four hundred two thousand, one hundred twenty-two".