1248849240 has 64 divisors (see below), whose sum is σ = 3966939360. Its totient is φ = 313436160.

The previous prime is 1248849191. The next prime is 1248849289. The reversal of 1248849240 is 429488421.

It is an interprime number because it is at equal distance from previous prime (1248849191) and next prime (1248849289).

It is a junction number, because it is equal to n+sod(n) for n = 1248849192 and 1248849201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304051 + ... + 308130.

Almost surely, 2^1248849240 is an apocalyptic number.

1248849240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248849240 is an abundant number, since it is smaller than the sum of its proper divisors (2718090120).

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

1248849240 is a wasteful number, since it uses less digits than its factorization.

1248849240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612212 (or 612208 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1248849240 is about 35339.0611080713. The cubic root of 1248849240 is about 1076.8866785553.

The spelling of 1248849240 in words is "one billion, two hundred forty-eight million, eight hundred forty-nine thousand, two hundred forty".