1248913000 has 64 divisors (see below), whose sum is σ = 2928107520. Its totient is φ = 498600000.

The previous prime is 1248912991. The next prime is 1248913019. The reversal of 1248913000 is 3198421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1248913000.

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, 750169 + ... + 751831.

It is an arithmetic number, because the mean of its divisors is an integer number (45751680).

Almost surely, 2^1248913000 is an apocalyptic number.

1248913000 is a gapful number since it is divisible by the number (10) 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 1248913000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464053760).

1248913000 is an abundant number, since it is smaller than the sum of its proper divisors (1679194520).

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

1248913000 is a wasteful number, since it uses less digits than its factorization.

1248913000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1248913000 is about 35339.9632144687. The cubic root of 1248913000 is about 1076.9050050604.

The spelling of 1248913000 in words is "one billion, two hundred forty-eight million, nine hundred thirteen thousand".