248509122 has 16 divisors (see below), whose sum is σ = 498718080. Its totient is φ = 82553072.

The previous prime is 248509109. The next prime is 248509123. The reversal of 248509122 is 221905842.

It is not an unprimeable number, because it can be changed into a prime (248509123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68922 + ... + 72437.

It is an arithmetic number, because the mean of its divisors is an integer number (31169880).

Almost surely, 2^248509122 is an apocalyptic number.

248509122 is an abundant number, since it is smaller than the sum of its proper divisors (250208958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248509122 is a wasteful number, since it uses less digits than its factorization.

248509122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141657.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 248509122 is about 15764.1721000502. The cubic root of 248509122 is about 628.7057683300.

The spelling of 248509122 in words is "two hundred forty-eight million, five hundred nine thousand, one hundred twenty-two".