1001121179 has 2 divisors, whose sum is σ = 1001121180. Its totient is φ = 1001121178.

The previous prime is 1001121133. The next prime is 1001121193. The reversal of 1001121179 is 9711211001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001121179 - 2¹² = 1001117083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001121119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500560589 + 500560590.

It is an arithmetic number, because the mean of its divisors is an integer number (500560590).

Almost surely, 2^1001121179 is an apocalyptic number.

1001121179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001121179 is an equidigital number, since it uses as much as digits as its factorization.

1001121179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 23.

The square root of 1001121179 is about 31640.4990320949. The cubic root of 1001121179 is about 1000.3735867489.

The spelling of 1001121179 in words is "one billion, one million, one hundred twenty-one thousand, one hundred seventy-nine".