1248805242 has 32 divisors (see below), whose sum is σ = 2787268800. Its totient is φ = 414446544.

The previous prime is 1248805231. The next prime is 1248805247. The reversal of 1248805242 is 2425088421.

1248805242 is a `hidden beast` number, since 12 + 48 + 80 + 524 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1248805197 and 1248805206.

It is not an unprimeable number, because it can be changed into a prime (1248805247) 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, 38128 + ... + 62859.

It is an arithmetic number, because the mean of its divisors is an integer number (87102150).

Almost surely, 2^1248805242 is an apocalyptic number.

1248805242 is an abundant number, since it is smaller than the sum of its proper divisors (1538463558).

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

1248805242 is a wasteful number, since it uses less digits than its factorization.

1248805242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101227 (or 101221 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 1248805242 is about 35338.4385902943. The cubic root of 1248805242 is about 1076.8740318682.

The spelling of 1248805242 in words is "one billion, two hundred forty-eight million, eight hundred five thousand, two hundred forty-two".