1121009975 has 12 divisors (see below), whose sum is σ = 1463213640. Its totient is φ = 849607200.

The previous prime is 1121009963. The next prime is 1121009999. The reversal of 1121009975 is 5799001211.

It is not a de Polignac number, because 1121009975 - 2¹⁶ = 1120944439 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1179536 + ... + 1180485.

It is an arithmetic number, because the mean of its divisors is an integer number (121934470).

Almost surely, 2^1121009975 is an apocalyptic number.

1121009975 is a deficient number, since it is larger than the sum of its proper divisors (342203665).

1121009975 is a wasteful number, since it uses less digits than its factorization.

1121009975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360050 (or 2360045 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 35.

The square root of 1121009975 is about 33481.4870488155. The cubic root of 1121009975 is about 1038.8108866589.

The spelling of 1121009975 in words is "one billion, one hundred twenty-one million, nine thousand, nine hundred seventy-five".