100120418 has 16 divisors (see below), whose sum is σ = 152006976. Its totient is φ = 49455120.

The previous prime is 100120417. The next prime is 100120457. The reversal of 100120418 is 814021001.

It is a junction number, because it is equal to n+sod(n) for n = 100120396 and 100120405.

It is not an unprimeable number, because it can be changed into a prime (100120411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68180 + ... + 69632.

It is an arithmetic number, because the mean of its divisors is an integer number (9500436).

Almost surely, 2^100120418 is an apocalyptic number.

100120418 is a deficient number, since it is larger than the sum of its proper divisors (51886558).

100120418 is a wasteful number, since it uses less digits than its factorization.

100120418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 100120418 is about 10006.0190885287. The cubic root of 100120418 is about 464.3451189090.

Adding to 100120418 its reverse (814021001), we get a palindrome (914141419).

The spelling of 100120418 in words is "one hundred million, one hundred twenty thousand, four hundred eighteen".