1242301320 has 256 divisors, whose sum is σ = 4695264000. Its totient is φ = 289640448.

The previous prime is 1242301303. The next prime is 1242301327. The reversal of 1242301320 is 231032421.

1242301320 is a `hidden beast` number, since 1 + 2 + 42 + 301 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1242301293 and 1242301302.

It is not an unprimeable number, because it can be changed into a prime (1242301327) 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, 264432 + ... + 269088.

It is an arithmetic number, because the mean of its divisors is an integer number (18340875).

Almost surely, 2^1242301320 is an apocalyptic number.

1242301320 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 1242301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347632000).

1242301320 is an abundant number, since it is smaller than the sum of its proper divisors (3452962680).

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

1242301320 is a wasteful number, since it uses less digits than its factorization.

1242301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709 (or 4699 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1242301320 is about 35246.2951244524. The cubic root of 1242301320 is about 1075.0012821330.

Adding to 1242301320 its reverse (231032421), we get a palindrome (1473333741).

The spelling of 1242301320 in words is "one billion, two hundred forty-two million, three hundred one thousand, three hundred twenty".