108414921 has 16 divisors (see below), whose sum is σ = 148794624. Its totient is φ = 70164864.

The previous prime is 108414907. The next prime is 108414923. The reversal of 108414921 is 129414801.

It is not a de Polignac number, because 108414921 - 2⁷ = 108414793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108414923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67696 + ... + 69278.

It is an arithmetic number, because the mean of its divisors is an integer number (9299664).

Almost surely, 2^108414921 is an apocalyptic number.

It is an amenable number.

108414921 is a deficient number, since it is larger than the sum of its proper divisors (40379703).

108414921 is a wasteful number, since it uses less digits than its factorization.

108414921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 108414921 is about 10412.2486044082. The cubic root of 108414921 is about 476.8293936942.

The spelling of 108414921 in words is "one hundred eight million, four hundred fourteen thousand, nine hundred twenty-one".