1248444120 has 384 divisors, whose sum is σ = 4798725120. Its totient is φ = 254284800.

The previous prime is 1248444053. The next prime is 1248444143. The reversal of 1248444120 is 214448421.

It is a super-2 number, since 2×1248444120² = 3117225441525148800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7216354 + ... + 7216526.

It is an arithmetic number, because the mean of its divisors is an integer number (12496680).

Almost surely, 2^1248444120 is an apocalyptic number.

1248444120 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 1248444120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399362560).

1248444120 is an abundant number, since it is smaller than the sum of its proper divisors (3550281000).

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

1248444120 is a wasteful number, since it uses less digits than its factorization.

1248444120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 1248444120 is about 35333.3287421381. The cubic root of 1248444120 is about 1076.7702205393.

The spelling of 1248444120 in words is "one billion, two hundred forty-eight million, four hundred forty-four thousand, one hundred twenty".