1248083845 has 16 divisors (see below), whose sum is σ = 1577439360. Its totient is φ = 946120384.

The previous prime is 1248083833. The next prime is 1248083867. The reversal of 1248083845 is 5483808421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1248083845 - 2⁵ = 1248083813 is a prime.

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, 38410 + ... + 63019.

It is an arithmetic number, because the mean of its divisors is an integer number (98589960).

Almost surely, 2^1248083845 is an apocalyptic number.

It is an amenable number.

1248083845 is a deficient number, since it is larger than the sum of its proper divisors (329355515).

1248083845 is a wasteful number, since it uses less digits than its factorization.

1248083845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101564.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 1248083845 is about 35328.2301424795. The cubic root of 1248083845 is about 1076.6666327462. Note that the first 4 decimals are identical.

The spelling of 1248083845 in words is "one billion, two hundred forty-eight million, eighty-three thousand, eight hundred forty-five".