1248938073 has 12 divisors (see below), whose sum is σ = 1804405668. Its totient is φ = 832448160.

The previous prime is 1248938027. The next prime is 1248938081. The reversal of 1248938073 is 3708398421.

1248938073 is a `hidden beast` number, since 124 + 89 + 380 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 531394704 + 717543369 = 23052^2 + 26787^2 .

It is not a de Polignac number, because 1248938073 - 2²⁰ = 1247889497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1248938083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40911 + ... + 64587.

It is an arithmetic number, because the mean of its divisors is an integer number (150367139).

Almost surely, 2^1248938073 is an apocalyptic number.

It is an amenable number.

1248938073 is a deficient number, since it is larger than the sum of its proper divisors (555467595).

1248938073 is a wasteful number, since it uses less digits than its factorization.

1248938073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29544 (or 29541 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1248938073 is about 35340.3179527293. The cubic root of 1248938073 is about 1076.9122116095.

The spelling of 1248938073 in words is "one billion, two hundred forty-eight million, nine hundred thirty-eight thousand, seventy-three".