1240075020 has 48 divisors (see below), whose sum is σ = 3584222208. Its totient is φ = 320018880.

The previous prime is 1240075007. The next prime is 1240075021. The reversal of 1240075020 is 205700421.

It is not an unprimeable number, because it can be changed into a prime (1240075021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331494 + ... + 335213.

It is an arithmetic number, because the mean of its divisors is an integer number (74671296).

Almost surely, 2^1240075020 is an apocalyptic number.

1240075020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240075020 is an abundant number, since it is smaller than the sum of its proper divisors (2344147188).

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

1240075020 is a wasteful number, since it uses less digits than its factorization.

1240075020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666750 (or 666748 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1240075020 is about 35214.6989196273. The cubic root of 1240075020 is about 1074.3587363497.

Adding to 1240075020 its reverse (205700421), we get a palindrome (1445775441).

The spelling of 1240075020 in words is "one billion, two hundred forty million, seventy-five thousand, twenty".