109240529 has 4 divisors (see below), whose sum is σ = 110779200. Its totient is φ = 107701860.

The previous prime is 109240513. The next prime is 109240541. The reversal of 109240529 is 925042901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 925042901 = 157 ⋅5891993.

It is a cyclic number.

It is not a de Polignac number, because 109240529 - 2⁴ = 109240513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109240495 and 109240504.

It is not an unprimeable number, because it can be changed into a prime (109243529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769229 + ... + 769370.

It is an arithmetic number, because the mean of its divisors is an integer number (27694800).

Almost surely, 2^109240529 is an apocalyptic number.

It is an amenable number.

109240529 is a deficient number, since it is larger than the sum of its proper divisors (1538671).

109240529 is an equidigital number, since it uses as much as digits as its factorization.

109240529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538670.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 109240529 is about 10451.8194109925. The cubic root of 109240529 is about 478.0367276857.

The spelling of 109240529 in words is "one hundred nine million, two hundred forty thousand, five hundred twenty-nine".