1248964547 has 8 divisors (see below), whose sum is σ = 1292438640. Its totient is φ = 1205517600.

The previous prime is 1248964543. The next prime is 1248964573. The reversal of 1248964547 is 7454698421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1248964547 - 2² = 1248964543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1248964495 and 1248964504.

It is not an unprimeable number, because it can be changed into a prime (1248964543) 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, 143708 + ... + 152150.

It is an arithmetic number, because the mean of its divisors is an integer number (161554830).

Almost surely, 2^1248964547 is an apocalyptic number.

1248964547 is a deficient number, since it is larger than the sum of its proper divisors (43474093).

1248964547 is an equidigital number, since it uses as much as digits as its factorization.

1248964547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573.

The product of its digits is 1935360, while the sum is 50.

The square root of 1248964547 is about 35340.6925087780. The cubic root of 1248964547 is about 1076.9198207331.

The spelling of 1248964547 in words is "one billion, two hundred forty-eight million, nine hundred sixty-four thousand, five hundred forty-seven".