1248669315 has 24 divisors (see below), whose sum is σ = 2166375120. Its totient is φ = 665337024.

The previous prime is 1248669313. The next prime is 1248669343. The reversal of 1248669315 is 5139668421.

It is not a de Polignac number, because 1248669315 - 2¹ = 1248669313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1248669311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38181 + ... + 62889.

It is an arithmetic number, because the mean of its divisors is an integer number (90265630).

Almost surely, 2^1248669315 is an apocalyptic number.

1248669315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1248669315 is a deficient number, since it is larger than the sum of its proper divisors (917705805).

1248669315 is a wasteful number, since it uses less digits than its factorization.

1248669315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843 (or 25840 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1248669315 is about 35336.5153205576. The cubic root of 1248669315 is about 1076.8349594378.

The spelling of 1248669315 in words is "one billion, two hundred forty-eight million, six hundred sixty-nine thousand, three hundred fifteen".