1248589245 has 16 divisors (see below), whose sum is σ = 1998463680. Its totient is φ = 665673984.

The previous prime is 1248589219. The next prime is 1248589273. The reversal of 1248589245 is 5429858421.

It is not a de Polignac number, because 1248589245 - 2¹⁰ = 1248588221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1248589194 and 1248589203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32862 + ... + 59808.

It is an arithmetic number, because the mean of its divisors is an integer number (124903980).

Almost surely, 2^1248589245 is an apocalyptic number.

1248589245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1248589245 is a deficient number, since it is larger than the sum of its proper divisors (749874435).

1248589245 is a wasteful number, since it uses less digits than its factorization.

1248589245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30044.

The product of its digits is 921600, while the sum is 48.

The square root of 1248589245 is about 35335.3823383871. The cubic root of 1248589245 is about 1076.8119418630.

The spelling of 1248589245 in words is "one billion, two hundred forty-eight million, five hundred eighty-nine thousand, two hundred forty-five".