1050027721 has 2 divisors, whose sum is σ = 1050027722. Its totient is φ = 1050027720.

The previous prime is 1050027689. The next prime is 1050027751. The reversal of 1050027721 is 1277200501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541074121 + 508953600 = 23261^2 + 22560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050027721 - 2⁵ = 1050027689 is a prime.

It is a super-2 number, since 2×1050027721² = 2205116429736907682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050027751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525013860 + 525013861.

It is an arithmetic number, because the mean of its divisors is an integer number (525013861).

Almost surely, 2^1050027721 is an apocalyptic number.

It is an amenable number.

1050027721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050027721 is an equidigital number, since it uses as much as digits as its factorization.

1050027721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 1050027721 is about 32404.1312335326. The cubic root of 1050027721 is about 1016.4053013467.

The spelling of 1050027721 in words is "one billion, fifty million, twenty-seven thousand, seven hundred twenty-one".