1050072091 has 2 divisors, whose sum is σ = 1050072092. Its totient is φ = 1050072090.

The previous prime is 1050072017. The next prime is 1050072103. The reversal of 1050072091 is 1902700501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1050072091 - 2²⁵ = 1016517659 is a prime.

It is a super-2 number, since 2×1050072091² = 2205302792594224562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050072011) 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 as a sum of consecutive naturals, namely, 525036045 + 525036046.

It is an arithmetic number, because the mean of its divisors is an integer number (525036046).

Almost surely, 2^1050072091 is an apocalyptic number.

1050072091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050072091 is an equidigital number, since it uses as much as digits as its factorization.

1050072091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1050072091 is about 32404.8158612266. The cubic root of 1050072091 is about 1016.4196175618.

Adding to 1050072091 its reverse (1902700501), we get a palindrome (2952772592).

The spelling of 1050072091 in words is "one billion, fifty million, seventy-two thousand, ninety-one".