1248324540 has 96 divisors (see below), whose sum is σ = 3736406016. Its totient is φ = 310632960.

The previous prime is 1248324527. The next prime is 1248324541. The reversal of 1248324540 is 454238421.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248324541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45549 + ... + 67611.

It is an arithmetic number, because the mean of its divisors is an integer number (38920896).

Almost surely, 2^1248324540 is an apocalyptic number.

1248324540 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 1248324540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868203008).

1248324540 is an abundant number, since it is smaller than the sum of its proper divisors (2488081476).

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

1248324540 is a wasteful number, since it uses less digits than its factorization.

1248324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22139 (or 22137 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 1248324540 is about 35331.6365315846. The cubic root of 1248324540 is about 1076.7358406013.

The spelling of 1248324540 in words is "one billion, two hundred forty-eight million, three hundred twenty-four thousand, five hundred forty".