1248248265 has 32 divisors (see below), whose sum is σ = 2180822400. Its totient is φ = 604638720.

The previous prime is 1248248227. The next prime is 1248248327. The reversal of 1248248265 is 5628428421.

It is not a de Polignac number, because 1248248265 - 2¹³ = 1248240073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209751 + ... + 215619.

It is an arithmetic number, because the mean of its divisors is an integer number (68150700).

Almost surely, 2^1248248265 is an apocalyptic number.

1248248265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1248248265 is a deficient number, since it is larger than the sum of its proper divisors (932574135).

1248248265 is a wasteful number, since it uses less digits than its factorization.

1248248265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177.

The product of its digits is 245760, while the sum is 42.

The square root of 1248248265 is about 35330.5571000515. The cubic root of 1248248265 is about 1076.7139099531.

The spelling of 1248248265 in words is "one billion, two hundred forty-eight million, two hundred forty-eight thousand, two hundred sixty-five".