1248597225 has 36 divisors (see below), whose sum is σ = 2249373516. Its totient is φ = 662048640.

The previous prime is 1248597223. The next prime is 1248597239. The reversal of 1248597225 is 5227958421.

1248597225 is a `hidden beast` number, since 12 + 48 + 597 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 243453609 + 1005143616 = 15603^2 + 31704^2 .

It is not a de Polignac number, because 1248597225 - 2¹ = 1248597223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1248597223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22887 + ... + 54963.

Almost surely, 2^1248597225 is an apocalyptic number.

1248597225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1248597225 is a deficient number, since it is larger than the sum of its proper divisors (1000776291).

1248597225 is a wasteful number, since it uses less digits than its factorization.

1248597225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32266 (or 32258 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1248597225 is about 35335.4952561868. The cubic root of 1248597225 is about 1076.8142359030.

The spelling of 1248597225 in words is "one billion, two hundred forty-eight million, five hundred ninety-seven thousand, two hundred twenty-five".