1242083520 has 336 divisors, whose sum is σ = 4470062688. Its totient is φ = 316293120.

The previous prime is 1242083501. The next prime is 1242083527. The reversal of 1242083520 is 253802421.

It is not an unprimeable number, because it can be changed into a prime (1242083527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7911282 + ... + 7911438.

It is an arithmetic number, because the mean of its divisors is an integer number (13303758).

Almost surely, 2^1242083520 is an apocalyptic number.

1242083520 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 1242083520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235031344).

1242083520 is an abundant number, since it is smaller than the sum of its proper divisors (3227979168).

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

1242083520 is a wasteful number, since it uses less digits than its factorization.

1242083520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1242083520 is about 35243.2053025828. The cubic root of 1242083520 is about 1074.9384554634.

Adding to 1242083520 its reverse (253802421), we get a palindrome (1495885941).

The spelling of 1242083520 in words is "one billion, two hundred forty-two million, eighty-three thousand, five hundred twenty".