248122109 has 16 divisors (see below), whose sum is σ = 262961664. Its totient is φ = 233798400.

The previous prime is 248122093. The next prime is 248122129. The reversal of 248122109 is 901221842.

It is a cyclic number.

It is not a de Polignac number, because 248122109 - 2⁴ = 248122093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248122129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187169 + ... + 188489.

It is an arithmetic number, because the mean of its divisors is an integer number (16435104).

Almost surely, 2^248122109 is an apocalyptic number.

It is an amenable number.

248122109 is a deficient number, since it is larger than the sum of its proper divisors (14839555).

248122109 is a wasteful number, since it uses less digits than its factorization.

248122109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 248122109 is about 15751.8922355379. The cubic root of 248122109 is about 628.3792293789.

The spelling of 248122109 in words is "two hundred forty-eight million, one hundred twenty-two thousand, one hundred nine".