1241520320 has 28 divisors (see below), whose sum is σ = 2956371024. Its totient is φ = 496608000.

The previous prime is 1241520317. The next prime is 1241520323. The reversal of 1241520320 is 230251421.

It is an interprime number because it is at equal distance from previous prime (1241520317) and next prime (1241520323).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1241520292 and 1241520301.

It is not an unprimeable number, because it can be changed into a prime (1241520323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939556 + ... + 1940195.

Almost surely, 2^1241520320 is an apocalyptic number.

1241520320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241520320 is an abundant number, since it is smaller than the sum of its proper divisors (1714850704).

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

1241520320 is an equidigital number, since it uses as much as digits as its factorization.

1241520320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879768 (or 3879758 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1241520320 is about 35235.2142039750. The cubic root of 1241520320 is about 1074.7759605225.

Adding to 1241520320 its reverse (230251421), we get a palindrome (1471771741).

The spelling of 1241520320 in words is "one billion, two hundred forty-one million, five hundred twenty thousand, three hundred twenty".