108037521 has 12 divisors (see below), whose sum is σ = 160272372. Its totient is φ = 70078176.

The previous prime is 108037513. The next prime is 108037547. The reversal of 108037521 is 125730801.

108037521 is a `hidden beast` number, since 108 + 0 + 37 + 521 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 103306896 + 4730625 = 10164^2 + 2175^2 .

It is not a de Polignac number, because 108037521 - 2³ = 108037513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108037561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161886 + ... + 162551.

It is an arithmetic number, because the mean of its divisors is an integer number (13356031).

Almost surely, 2^108037521 is an apocalyptic number.

It is an amenable number.

108037521 is a deficient number, since it is larger than the sum of its proper divisors (52234851).

108037521 is a wasteful number, since it uses less digits than its factorization.

108037521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324480 (or 324477 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 108037521 is about 10394.1099186029. The cubic root of 108037521 is about 476.2754581634.

The spelling of 108037521 in words is "one hundred eight million, thirty-seven thousand, five hundred twenty-one".