1242080875 has 64 divisors (see below), whose sum is σ = 1892966400. Its totient is φ = 795312000.

The previous prime is 1242080857. The next prime is 1242080893. The reversal of 1242080875 is 5780802421.

It is an interprime number because it is at equal distance from previous prime (1242080857) and next prime (1242080893).

It is not a de Polignac number, because 1242080875 - 2⁷ = 1242080747 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 785836 + ... + 787414.

It is an arithmetic number, because the mean of its divisors is an integer number (29577600).

Almost surely, 2^1242080875 is an apocalyptic number.

1242080875 is a deficient number, since it is larger than the sum of its proper divisors (650885525).

1242080875 is a wasteful number, since it uses less digits than its factorization.

1242080875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 1242080875 is about 35243.1677775991. The cubic root of 1242080875 is about 1074.9376924406.

The spelling of 1242080875 in words is "one billion, two hundred forty-two million, eighty thousand, eight hundred seventy-five".