100521130 has 16 divisors (see below), whose sum is σ = 181354464. Its totient is φ = 40115920.

The previous prime is 100521121. The next prime is 100521137. The reversal of 100521130 is 31125001.

It is a self number, because there is not a number n which added to its sum of digits gives 100521130.

It is not an unprimeable number, because it can be changed into a prime (100521137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6916 + ... + 15775.

It is an arithmetic number, because the mean of its divisors is an integer number (11334654).

Almost surely, 2^100521130 is an apocalyptic number.

100521130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100521130 is a deficient number, since it is larger than the sum of its proper divisors (80833334).

100521130 is a wasteful number, since it uses less digits than its factorization.

100521130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23141.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 100521130 is about 10026.0226411075. The cubic root of 100521130 is about 464.9637771915.

Adding to 100521130 its reverse (31125001), we get a palindrome (131646131).

The spelling of 100521130 in words is "one hundred million, five hundred twenty-one thousand, one hundred thirty".