109245029 has 4 divisors (see below), whose sum is σ = 109601184. Its totient is φ = 108888876.

The previous prime is 109245007. The next prime is 109245047. The reversal of 109245029 is 920542901.

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 a de Polignac number, because none of the positive numbers 2^k-109245029 is a prime.

It is a super-2 number, since 2×109245029² = 23868952722421682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109244986 and 109245004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109245089) 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 3 ways as a sum of consecutive naturals, for example, 177617 + ... + 178230.

It is an arithmetic number, because the mean of its divisors is an integer number (27400296).

Almost surely, 2^109245029 is an apocalyptic number.

It is an amenable number.

109245029 is a deficient number, since it is larger than the sum of its proper divisors (356155).

109245029 is an equidigital number, since it uses as much as digits as its factorization.

109245029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356154.

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

The square root of 109245029 is about 10452.0346822999. The cubic root of 109245029 is about 478.0432915979.

The spelling of 109245029 in words is "one hundred nine million, two hundred forty-five thousand, twenty-nine".