109232129 has 4 divisors (see below), whose sum is σ = 113981376. Its totient is φ = 104482884.

The previous prime is 109232119. The next prime is 109232131. The reversal of 109232129 is 921232901.

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 109232129 - 2⁴ = 109232113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (109232119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374589 + ... + 2374634.

It is an arithmetic number, because the mean of its divisors is an integer number (28495344).

It is a Proth number, since it is equal to 6667 ⋅ 2¹⁴ + 1 and 6667 < 2¹⁴.

Almost surely, 2^109232129 is an apocalyptic number.

It is an amenable number.

109232129 is a deficient number, since it is larger than the sum of its proper divisors (4749247).

109232129 is an equidigital number, since it uses as much as digits as its factorization.

109232129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749246.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 109232129 is about 10451.4175593553. The cubic root of 109232129 is about 478.0244745672.

The spelling of 109232129 in words is "one hundred nine million, two hundred thirty-two thousand, one hundred twenty-nine".