100534420 has 48 divisors (see below), whose sum is σ = 241976448. Its totient is φ = 34369920.

The previous prime is 100534417. The next prime is 100534429. The reversal of 100534420 is 24435001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100534429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61210 + ... + 62830.

It is an arithmetic number, because the mean of its divisors is an integer number (5041176).

Almost surely, 2^100534420 is an apocalyptic number.

100534420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100534420 is an abundant number, since it is smaller than the sum of its proper divisors (141442028).

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

100534420 is a wasteful number, since it uses less digits than its factorization.

100534420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080 (or 2078 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 100534420 is about 10026.6853944861. The cubic root of 100534420 is about 464.9842673985.

Adding to 100534420 its reverse (24435001), we get a palindrome (124969421).

The spelling of 100534420 in words is "one hundred million, five hundred thirty-four thousand, four hundred twenty".