1248859893 has 16 divisors (see below), whose sum is σ = 1747046912. Its totient is φ = 792504000.

The previous prime is 1248859883. The next prime is 1248859897. The reversal of 1248859893 is 3989588421.

It is a happy number.

It is not a de Polignac number, because 1248859893 - 2⁵ = 1248859861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248859897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104398 + ... + 115743.

It is an arithmetic number, because the mean of its divisors is an integer number (109190432).

Almost surely, 2^1248859893 is an apocalyptic number.

It is an amenable number.

1248859893 is a deficient number, since it is larger than the sum of its proper divisors (498187019).

1248859893 is a wasteful number, since it uses less digits than its factorization.

1248859893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220236.

The product of its digits is 4976640, while the sum is 57.

The square root of 1248859893 is about 35339.2118333163. The cubic root of 1248859893 is about 1076.8897405852.

The spelling of 1248859893 in words is "one billion, two hundred forty-eight million, eight hundred fifty-nine thousand, eight hundred ninety-three".