1248798925 has 12 divisors (see below), whose sum is σ = 1689284736. Its totient is φ = 908217200.

The previous prime is 1248798923. The next prime is 1248798989. The reversal of 1248798925 is 5298978421.

It is not a de Polignac number, because 1248798925 - 2¹ = 1248798923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248798923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2270269 + ... + 2270818.

It is an arithmetic number, because the mean of its divisors is an integer number (140773728).

Almost surely, 2^1248798925 is an apocalyptic number.

It is an amenable number.

1248798925 is a deficient number, since it is larger than the sum of its proper divisors (440485811).

1248798925 is a wasteful number, since it uses less digits than its factorization.

1248798925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541108 (or 4541103 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 55.

The square root of 1248798925 is about 35338.3492115860. The cubic root of 1248798925 is about 1076.8722160994.

The spelling of 1248798925 in words is "one billion, two hundred forty-eight million, seven hundred ninety-eight thousand, nine hundred twenty-five".