1248725097 has 6 divisors (see below), whose sum is σ = 1803714042. Its totient is φ = 832483392.

The previous prime is 1248725077. The next prime is 1248725129. The reversal of 1248725097 is 7905278421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 986965056 + 261760041 = 31416^2 + 16179^2 .

It is not a de Polignac number, because 1248725097 - 2⁶ = 1248725033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1248725017) 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 5 ways as a sum of consecutive naturals, for example, 69373608 + ... + 69373625.

It is an arithmetic number, because the mean of its divisors is an integer number (300619007).

Almost surely, 2^1248725097 is an apocalyptic number.

It is an amenable number.

1248725097 is a deficient number, since it is larger than the sum of its proper divisors (554988945).

1248725097 is a wasteful number, since it uses less digits than its factorization.

1248725097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138747239 (or 138747236 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1248725097 is about 35337.3046085861. The cubic root of 1248725097 is about 1076.8509944047.

The spelling of 1248725097 in words is "one billion, two hundred forty-eight million, seven hundred twenty-five thousand, ninety-seven".