109271051 has 4 divisors (see below), whose sum is σ = 109520400. Its totient is φ = 109021704.

The previous prime is 109271047. The next prime is 109271081. The reversal of 109271051 is 150172901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109271051 - 2² = 109271047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109271051.

It is not an unprimeable number, because it can be changed into a prime (109271021) 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, 124016 + ... + 124893.

It is an arithmetic number, because the mean of its divisors is an integer number (27380100).

Almost surely, 2^109271051 is an apocalyptic number.

109271051 is a deficient number, since it is larger than the sum of its proper divisors (249349).

109271051 is an equidigital number, since it uses as much as digits as its factorization.

109271051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249348.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 109271051 is about 10453.2794375736. The cubic root of 109271051 is about 478.0812449799.

The spelling of 109271051 in words is "one hundred nine million, two hundred seventy-one thousand, fifty-one".