1248524920 has 32 divisors (see below), whose sum is σ = 2868955200. Its totient is φ = 488783488.

The previous prime is 1248524867. The next prime is 1248524923. The reversal of 1248524920 is 294258421.

It is a super-2 number, since 2×1248524920² = 3117628951722012800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1248524920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248524923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 330175 + ... + 333934.

It is an arithmetic number, because the mean of its divisors is an integer number (89654850).

Almost surely, 2^1248524920 is an apocalyptic number.

1248524920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248524920 is an abundant number, since it is smaller than the sum of its proper divisors (1620430280).

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

1248524920 is a wasteful number, since it uses less digits than its factorization.

1248524920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664167 (or 664163 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1248524920 is about 35334.4721200133. The cubic root of 1248524920 is about 1076.7934497613.

The spelling of 1248524920 in words is "one billion, two hundred forty-eight million, five hundred twenty-four thousand, nine hundred twenty".