1001121059 has 2 divisors, whose sum is σ = 1001121060. Its totient is φ = 1001121058.

The previous prime is 1001121053. The next prime is 1001121089. The reversal of 1001121059 is 9501211001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001121059 - 2²⁰ = 1000072483 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001121059.

It is not a weakly prime, because it can be changed into another prime (1001121053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500560529 + 500560530.

It is an arithmetic number, because the mean of its divisors is an integer number (500560530).

Almost surely, 2^1001121059 is an apocalyptic number.

1001121059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001121059 is an equidigital number, since it uses as much as digits as its factorization.

1001121059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 1001121059 is about 31640.4971357910. The cubic root of 1001121059 is about 1000.3735467788.

The spelling of 1001121059 in words is "one billion, one million, one hundred twenty-one thousand, fifty-nine".