109428119 has 4 divisors (see below), whose sum is σ = 109449096. Its totient is φ = 109407144.

The previous prime is 109428103. The next prime is 109428157. The reversal of 109428119 is 911824901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911824901 = 13 ⋅70140377.

It is a cyclic number.

It is not a de Polignac number, because 109428119 - 2⁴ = 109428103 is a prime.

It is a super-2 number, since 2×109428119² = 23949026455756322, 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 (109428169) 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, 4112 + ... + 15354.

It is an arithmetic number, because the mean of its divisors is an integer number (27362274).

Almost surely, 2^109428119 is an apocalyptic number.

109428119 is a deficient number, since it is larger than the sum of its proper divisors (20977).

109428119 is an equidigital number, since it uses as much as digits as its factorization.

109428119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20976.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 109428119 is about 10460.7895973488. The cubic root of 109428119 is about 478.3102025854.

The spelling of 109428119 in words is "one hundred nine million, four hundred twenty-eight thousand, one hundred nineteen".