1248371349 has 8 divisors (see below), whose sum is σ = 1664822400. Its totient is φ = 832083936.

The previous prime is 1248371339. The next prime is 1248371359. The reversal of 1248371349 is 9431738421.

It is an interprime number because it is at equal distance from previous prime (1248371339) and next prime (1248371359).

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

It is not a de Polignac number, because 1248371349 - 2⁷ = 1248371221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1248371349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248371309) 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 7 ways as a sum of consecutive naturals, for example, 21837 + ... + 54530.

It is an arithmetic number, because the mean of its divisors is an integer number (208102800).

Almost surely, 2^1248371349 is an apocalyptic number.

It is an amenable number.

1248371349 is a deficient number, since it is larger than the sum of its proper divisors (416451051).

1248371349 is an equidigital number, since it uses as much as digits as its factorization.

1248371349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81819.

The product of its digits is 145152, while the sum is 42.

The square root of 1248371349 is about 35332.2989486957. The cubic root of 1248371349 is about 1076.7492987196.

The spelling of 1248371349 in words is "one billion, two hundred forty-eight million, three hundred seventy-one thousand, three hundred forty-nine".