248121459 has 12 divisors (see below), whose sum is σ = 358729800. Its totient is φ = 165261024.

The previous prime is 248121457. The next prime is 248121469. The reversal of 248121459 is 954121842.

It is not a de Polignac number, because 248121459 - 2¹ = 248121457 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (248121451) 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 11 ways as a sum of consecutive naturals, for example, 2049 + ... + 22370.

It is an arithmetic number, because the mean of its divisors is an integer number (29894150).

Almost surely, 2^248121459 is an apocalyptic number.

248121459 is a deficient number, since it is larger than the sum of its proper divisors (110608341).

248121459 is a wasteful number, since it uses less digits than its factorization.

248121459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25554 (or 25551 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 248121459 is about 15751.8716030826. The cubic root of 248121459 is about 628.3786806614.

The spelling of 248121459 in words is "two hundred forty-eight million, one hundred twenty-one thousand, four hundred fifty-nine".