108574021 has 6 divisors (see below), whose sum is σ = 111589170. Its totient is φ = 105638256.

The previous prime is 108574013. The next prime is 108574031. The reversal of 108574021 is 120475801.

It can be written as a sum of positive squares in 3 ways, for example, as 84456100 + 24117921 = 9190^2 + 4911^2 .

It is not a de Polignac number, because 108574021 - 2³ = 108574013 is a prime.

It is a super-2 number, since 2×108574021² = 23576636072216882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108574001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38286 + ... + 41023.

It is an arithmetic number, because the mean of its divisors is an integer number (18598195).

Almost surely, 2^108574021 is an apocalyptic number.

It is an amenable number.

108574021 is a deficient number, since it is larger than the sum of its proper divisors (3015149).

108574021 is an frugal number, since it uses more digits than its factorization.

108574021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79383 (or 79346 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 108574021 is about 10419.8858439044. The cubic root of 108574021 is about 477.0625303507.

It can be divided in two parts, 10857 and 4021, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 108574021 in words is "one hundred eight million, five hundred seventy-four thousand, twenty-one".