1248709052 has 12 divisors (see below), whose sum is σ = 2186154600. Its totient is φ = 624093456.

The previous prime is 1248709043. The next prime is 1248709081. The reversal of 1248709052 is 2509078421.

It is a junction number, because it is equal to n+sod(n) for n = 1248708997 and 1248709015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54302 + ... + 73797.

It is an arithmetic number, because the mean of its divisors is an integer number (182179550).

Almost surely, 2^1248709052 is an apocalyptic number.

It is an amenable number.

1248709052 is a deficient number, since it is larger than the sum of its proper divisors (937445548).

1248709052 is a wasteful number, since it uses less digits than its factorization.

1248709052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130540 (or 130538 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1248709052 is about 35337.0775814866. The cubic root of 1248709052 is about 1076.8463821944.

The spelling of 1248709052 in words is "one billion, two hundred forty-eight million, seven hundred nine thousand, fifty-two".