109415129 has 6 divisors (see below), whose sum is σ = 115477290. Its totient is φ = 103656096.

The previous prime is 109415113. The next prime is 109415147. The reversal of 109415129 is 921514901.

It can be written as a sum of positive squares in only one way, i.e., 67683529 + 41731600 = 8227^2 + 6460^2 .

It is not a de Polignac number, because 109415129 - 2⁴ = 109415113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109415095 and 109415104.

It is not an unprimeable number, because it can be changed into a prime (109415629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151184 + ... + 151905.

It is an arithmetic number, because the mean of its divisors is an integer number (19246215).

Almost surely, 2^109415129 is an apocalyptic number.

109415129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

109415129 is a deficient number, since it is larger than the sum of its proper divisors (6062161).

109415129 is an equidigital number, since it uses as much as digits as its factorization.

109415129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303127 (or 303108 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 109415129 is about 10460.1686888883. The cubic root of 109415129 is about 478.2912754106.

The spelling of 109415129 in words is "one hundred nine million, four hundred fifteen thousand, one hundred twenty-nine".