1248427908 has 288 divisors, whose sum is σ = 4226826240. Its totient is φ = 301397760.

The previous prime is 1248427897. The next prime is 1248427913. The reversal of 1248427908 is 8097248421.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1929241 + ... + 1929887.

It is an arithmetic number, because the mean of its divisors is an integer number (14676480).

Almost surely, 2^1248427908 is an apocalyptic number.

1248427908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1248427908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113413120).

1248427908 is an abundant number, since it is smaller than the sum of its proper divisors (2978398332).

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

1248427908 is a wasteful number, since it uses less digits than its factorization.

1248427908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1248427908 is about 35333.0993262691. The cubic root of 1248427908 is about 1076.7655596247.

The spelling of 1248427908 in words is "one billion, two hundred forty-eight million, four hundred twenty-seven thousand, nine hundred eight".