100122030 has 24 divisors (see below), whose sum is σ = 260317512. Its totient is φ = 26699184.

The previous prime is 100122023. The next prime is 100122047. The reversal of 100122030 is 30221001.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556144 + ... + 556323.

It is an arithmetic number, because the mean of its divisors is an integer number (10846563).

Almost surely, 2^100122030 is an apocalyptic number.

100122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100122030 is an abundant number, since it is smaller than the sum of its proper divisors (160195482).

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

100122030 is a wasteful number, since it uses less digits than its factorization.

100122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112480 (or 1112477 counting only the distinct ones).

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

The square root of 100122030 is about 10006.0996397198. The cubic root of 100122030 is about 464.3476109758.

Adding to 100122030 its reverse (30221001), we get a palindrome (130343031).

The spelling of 100122030 in words is "one hundred million, one hundred twenty-two thousand, thirty".