1248001320 has 64 divisors (see below), whose sum is σ = 3941064000. Its totient is φ = 315283968.

The previous prime is 1248001303. The next prime is 1248001351. The reversal of 1248001320 is 231008421.

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, 271405 + ... + 275964.

It is an arithmetic number, because the mean of its divisors is an integer number (61579125).

Almost surely, 2^1248001320 is an apocalyptic number.

1248001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248001320 is an abundant number, since it is smaller than the sum of its proper divisors (2693062680).

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

1248001320 is a wasteful number, since it uses less digits than its factorization.

1248001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547402 (or 547398 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1248001320 is about 35327.0621478775. The cubic root of 1248001320 is about 1076.6429020028.

Adding to 1248001320 its reverse (231008421), we get a palindrome (1479009741).

The spelling of 1248001320 in words is "one billion, two hundred forty-eight million, one thousand, three hundred twenty".