109300921 has 4 divisors (see below), whose sum is σ = 109440592. Its totient is φ = 109161252.

The previous prime is 109300909. The next prime is 109300927. The reversal of 109300921 is 129003901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109300921 - 2⁹ = 109300409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109300927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68655 + ... + 70228.

It is an arithmetic number, because the mean of its divisors is an integer number (27360148).

Almost surely, 2^109300921 is an apocalyptic number.

It is an amenable number.

109300921 is a deficient number, since it is larger than the sum of its proper divisors (139671).

109300921 is an equidigital number, since it uses as much as digits as its factorization.

109300921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139670.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 109300921 is about 10454.7080781818. The cubic root of 109300921 is about 478.1248032864.

The spelling of 109300921 in words is "one hundred nine million, three hundred thousand, nine hundred twenty-one".