1248945052 has 12 divisors (see below), whose sum is σ = 2314221840. Its totient is φ = 587738816.

The previous prime is 1248945041. The next prime is 1248945067. The reversal of 1248945052 is 2505498421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1248944996 and 1248945014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9183352 + ... + 9183487.

It is an arithmetic number, because the mean of its divisors is an integer number (192851820).

Almost surely, 2^1248945052 is an apocalyptic number.

It is an amenable number.

1248945052 is a deficient number, since it is larger than the sum of its proper divisors (1065276788).

1248945052 is a wasteful number, since it uses less digits than its factorization.

1248945052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366860 (or 18366858 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1248945052 is about 35340.4166925066. The cubic root of 1248945052 is about 1076.9142175153.

The spelling of 1248945052 in words is "one billion, two hundred forty-eight million, nine hundred forty-five thousand, fifty-two".