100220127 has 8 divisors (see below), whose sum is σ = 152716416. Its totient is φ = 57268632.

The previous prime is 100220119. The next prime is 100220129. The reversal of 100220127 is 721022001.

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

It is not a de Polignac number, because 100220127 - 2³ = 100220119 is a prime.

It is a super-2 number, since 2×100220127² = 20088147711792258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386173 + ... + 2386214.

It is an arithmetic number, because the mean of its divisors is an integer number (19089552).

Almost surely, 2^100220127 is an apocalyptic number.

100220127 is a deficient number, since it is larger than the sum of its proper divisors (52496289).

100220127 is an equidigital number, since it uses as much as digits as its factorization.

100220127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772397.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 100220127 is about 10011.0002996704. Note that the first 3 decimals coincide. The cubic root of 100220127 is about 464.4992134389.

Adding to 100220127 its reverse (721022001), we get a palindrome (821242128).

The spelling of 100220127 in words is "one hundred million, two hundred twenty thousand, one hundred twenty-seven".