100030122 has 12 divisors (see below), whose sum is σ = 216731970. Its totient is φ = 33343368.

The previous prime is 100030121. The next prime is 100030123. The reversal of 100030122 is 221030001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100030121) and next prime (100030123).

It can be written as a sum of positive squares in only one way, i.e., 90611361 + 9418761 = 9519^2 + 3069^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100030121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2778597 + ... + 2778632.

Almost surely, 2^100030122 is an apocalyptic number.

100030122 is an abundant number, since it is smaller than the sum of its proper divisors (116701848).

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

100030122 is a wasteful number, since it uses less digits than its factorization.

100030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557237 (or 5557234 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100030122 is about 10001.5059866002. The cubic root of 100030122 is about 464.2054833289.

Adding to 100030122 its reverse (221030001), we get a palindrome (321060123).

The spelling of 100030122 in words is "one hundred million, thirty thousand, one hundred twenty-two".