1248229320 has 256 divisors, whose sum is σ = 4431974400. Its totient is φ = 278277120.

The previous prime is 1248229319. The next prime is 1248229321. The reversal of 1248229320 is 239228421.

It is an interprime number because it is at equal distance from previous prime (1248229319) and next prime (1248229321).

It is not an unprimeable number, because it can be changed into a prime (1248229321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 680805 + ... + 682635.

It is an arithmetic number, because the mean of its divisors is an integer number (17312400).

Almost surely, 2^1248229320 is an apocalyptic number.

1248229320 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 1248229320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2215987200).

1248229320 is an abundant number, since it is smaller than the sum of its proper divisors (3183745080).

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

1248229320 is a wasteful number, since it uses less digits than its factorization.

1248229320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1248229320 is about 35330.2889883454. The cubic root of 1248229320 is about 1076.7084627333.

The spelling of 1248229320 in words is "one billion, two hundred forty-eight million, two hundred twenty-nine thousand, three hundred twenty".