1248538245 has 8 divisors (see below), whose sum is σ = 1997661216. Its totient is φ = 665887056.

The previous prime is 1248538219. The next prime is 1248538267. The reversal of 1248538245 is 5428358421.

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

It is not a de Polignac number, because 1248538245 - 2¹⁹ = 1248013957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1248538197 and 1248538206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41617927 + ... + 41617956.

It is an arithmetic number, because the mean of its divisors is an integer number (249707652).

Almost surely, 2^1248538245 is an apocalyptic number.

1248538245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1248538245 is a deficient number, since it is larger than the sum of its proper divisors (749122971).

1248538245 is an equidigital number, since it uses as much as digits as its factorization.

1248538245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83235891.

The product of its digits is 307200, while the sum is 42.

The square root of 1248538245 is about 35334.6606747539. The cubic root of 1248538245 is about 1076.7972804743.

The spelling of 1248538245 in words is "one billion, two hundred forty-eight million, five hundred thirty-eight thousand, two hundred forty-five".