1248288858 has 12 divisors (see below), whose sum is σ = 2704625898. Its totient is φ = 416096280.

The previous prime is 1248288841. The next prime is 1248288863. The reversal of 1248288858 is 8588828421.

1248288858 is a `hidden beast` number, since 1 + 2 + 482 + 88 + 85 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1228011849 + 20277009 = 35043^2 + 4503^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34674673 + ... + 34674708.

Almost surely, 2^1248288858 is an apocalyptic number.

1248288858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1248288858 is an abundant number, since it is smaller than the sum of its proper divisors (1456337040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1248288858 is a wasteful number, since it uses less digits than its factorization.

1248288858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69349389 (or 69349386 counting only the distinct ones).

The product of its digits is 2621440, while the sum is 54.

The square root of 1248288858 is about 35331.1315697644. The cubic root of 1248288858 is about 1076.7255813957.

The spelling of 1248288858 in words is "one billion, two hundred forty-eight million, two hundred eighty-eight thousand, eight hundred fifty-eight".