1010989975 has 12 divisors (see below), whose sum is σ = 1280301984. Its totient is φ = 791582720.

The previous prime is 1010989937. The next prime is 1010989979. The reversal of 1010989975 is 5799890101.

It is a happy number.

It is not a de Polignac number, because 1010989975 - 2²¹ = 1008892823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010989979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429034 + ... + 431383.

It is an arithmetic number, because the mean of its divisors is an integer number (106691832).

Almost surely, 2^1010989975 is an apocalyptic number.

1010989975 is a deficient number, since it is larger than the sum of its proper divisors (269312009).

1010989975 is an equidigital number, since it uses as much as digits as its factorization.

1010989975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860474 (or 860469 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 49.

The square root of 1010989975 is about 31796.0685462841. The cubic root of 1010989975 is about 1003.6499863905.

The spelling of 1010989975 in words is "one billion, ten million, nine hundred eighty-nine thousand, nine hundred seventy-five".