1240988075 has 6 divisors (see below), whose sum is σ = 1538825244. Its totient is φ = 992790440.

The previous prime is 1240987997. The next prime is 1240988081. The reversal of 1240988075 is 5708890421.

It is not a de Polignac number, because 1240988075 - 2¹⁰ = 1240987051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24819737 + ... + 24819786.

It is an arithmetic number, because the mean of its divisors is an integer number (256470874).

Almost surely, 2^1240988075 is an apocalyptic number.

1240988075 is a deficient number, since it is larger than the sum of its proper divisors (297837169).

1240988075 is an equidigital number, since it uses as much as digits as its factorization.

1240988075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49639533 (or 49639528 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 1240988075 is about 35227.6606518230. The cubic root of 1240988075 is about 1074.6223515730.

The spelling of 1240988075 in words is "one billion, two hundred forty million, nine hundred eighty-eight thousand, seventy-five".