1248081459 has 4 divisors (see below), whose sum is σ = 1664108616. Its totient is φ = 832054304.

The previous prime is 1248081413. The next prime is 1248081463. The reversal of 1248081459 is 9541808421.

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 1248081459 - 2⁸ = 1248081203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1248081459.

It is not an unprimeable number, because it can be changed into a prime (1248081479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208013574 + ... + 208013579.

It is an arithmetic number, because the mean of its divisors is an integer number (416027154).

Almost surely, 2^1248081459 is an apocalyptic number.

1248081459 is a deficient number, since it is larger than the sum of its proper divisors (416027157).

1248081459 is an equidigital number, since it uses as much as digits as its factorization.

1248081459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416027156.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1248081459 is about 35328.1963734352. The cubic root of 1248081459 is about 1076.6659466469.

It can be divided in two parts, 12480 and 81459, that added together give a palindrome (93939).

The spelling of 1248081459 in words is "one billion, two hundred forty-eight million, eighty-one thousand, four hundred fifty-nine".