1248271351 has 2 divisors, whose sum is σ = 1248271352. Its totient is φ = 1248271350.

The previous prime is 1248271313. The next prime is 1248271373. The reversal of 1248271351 is 1531728421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1248271351 - 2¹⁹ = 1247747063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248271301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624135675 + 624135676.

It is an arithmetic number, because the mean of its divisors is an integer number (624135676).

Almost surely, 2^1248271351 is an apocalyptic number.

1248271351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248271351 is an equidigital number, since it uses as much as digits as its factorization.

1248271351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 1248271351 is about 35330.8838128910. The cubic root of 1248271351 is about 1076.7205477524.

Adding to 1248271351 its reverse (1531728421), we get a palindrome (2779999772).

The spelling of 1248271351 in words is "one billion, two hundred forty-eight million, two hundred seventy-one thousand, three hundred fifty-one".