1248085273 has 2 divisors, whose sum is σ = 1248085274. Its totient is φ = 1248085272.

The previous prime is 1248085253. The next prime is 1248085301. The reversal of 1248085273 is 3725808421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1248067584 + 17689 = 35328^2 + 133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248085273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248085253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624042636 + 624042637.

It is an arithmetic number, because the mean of its divisors is an integer number (624042637).

Almost surely, 2^1248085273 is an apocalyptic number.

It is an amenable number.

1248085273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248085273 is an equidigital number, since it uses as much as digits as its factorization.

1248085273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1248085273 is about 35328.2503529399. The cubic root of 1248085273 is about 1076.6670433701.

The spelling of 1248085273 in words is "one billion, two hundred forty-eight million, eighty-five thousand, two hundred seventy-three".