100034520 has 64 divisors (see below), whose sum is σ = 309795840. Its totient is φ = 25814400.

The previous prime is 100034509. The next prime is 100034533. The reversal of 100034520 is 25430001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100034520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9726 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (4840560).

Almost surely, 2^100034520 is an apocalyptic number.

100034520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100034520 is an abundant number, since it is smaller than the sum of its proper divisors (209761320).

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

100034520 is a wasteful number, since it uses less digits than its factorization.

100034520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26936 (or 26932 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 100034520 is about 10001.7258510719. The cubic root of 100034520 is about 464.2122864323.

Adding to 100034520 its reverse (25430001), we get a palindrome (125464521).

The spelling of 100034520 in words is "one hundred million, thirty-four thousand, five hundred twenty".