100534120 has 16 divisors (see below), whose sum is σ = 226201860. Its totient is φ = 40213632.

The previous prime is 100534099. The next prime is 100534121. The reversal of 100534120 is 21435001.

It can be written as a sum of positive squares in 2 ways, for example, as 100440484 + 93636 = 10022^2 + 306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100534094 and 100534103.

It is not an unprimeable number, because it can be changed into a prime (100534121) 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, 1256637 + ... + 1256716.

Almost surely, 2^100534120 is an apocalyptic number.

100534120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100534120 is an abundant number, since it is smaller than the sum of its proper divisors (125667740).

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

100534120 is a wasteful number, since it uses less digits than its factorization.

100534120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513364 (or 2513360 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100534120 is about 10026.6704343965. The cubic root of 100534120 is about 464.9838048855.

Adding to 100534120 its reverse (21435001), we get a palindrome (121969121).

The spelling of 100534120 in words is "one hundred million, five hundred thirty-four thousand, one hundred twenty".