1249648248 has 16 divisors (see below), whose sum is σ = 3124120680. Its totient is φ = 416549408.

The previous prime is 1249648247. The next prime is 1249648313. The reversal of 1249648248 is 8428469421.

It is a happy number.

1249648248 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1249648197 and 1249648206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249648247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26034315 + ... + 26034362.

Almost surely, 2^1249648248 is an apocalyptic number.

It is an amenable number.

1249648248 is an abundant number, since it is smaller than the sum of its proper divisors (1874472432).

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

1249648248 is a wasteful number, since it uses less digits than its factorization.

1249648248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52068686 (or 52068682 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 1249648248 is about 35350.3641848284. The cubic root of 1249648248 is about 1077.1162919750.

The spelling of 1249648248 in words is "one billion, two hundred forty-nine million, six hundred forty-eight thousand, two hundred forty-eight".