100322120 has 16 divisors (see below), whose sum is σ = 225724860. Its totient is φ = 40128832.

The previous prime is 100322119. The next prime is 100322129. The reversal of 100322120 is 21223001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92891044 + 7431076 = 9638^2 + 2726^2 .

It is a super-2 number, since 2×100322120² = 20129055522588800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100322129) 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, 1253987 + ... + 1254066.

Almost surely, 2^100322120 is an apocalyptic number.

100322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100322120 is an abundant number, since it is smaller than the sum of its proper divisors (125402740).

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

100322120 is a wasteful number, since it uses less digits than its factorization.

100322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508064 (or 2508060 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100322120 is about 10016.0930506860. The cubic root of 100322120 is about 464.6567320516.

Adding to 100322120 its reverse (21223001), we get a palindrome (121545121).

The spelling of 100322120 in words is "one hundred million, three hundred twenty-two thousand, one hundred twenty".