1052439121 has 2 divisors, whose sum is σ = 1052439122. Its totient is φ = 1052439120.

The previous prime is 1052439103. The next prime is 1052439131. The reversal of 1052439121 is 1219342501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042579521 + 9859600 = 32289^2 + 3140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052439121 - 2²⁵ = 1018884689 is a prime.

It is a super-2 number, since 2×1052439121² = 2215256206822505282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052439121.

It is not a weakly prime, because it can be changed into another prime (1052439131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526219560 + 526219561.

It is an arithmetic number, because the mean of its divisors is an integer number (526219561).

Almost surely, 2^1052439121 is an apocalyptic number.

It is an amenable number.

1052439121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052439121 is an equidigital number, since it uses as much as digits as its factorization.

1052439121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1052439121 is about 32441.3181144047. The cubic root of 1052439121 is about 1017.1827684130.

The spelling of 1052439121 in words is "one billion, fifty-two million, four hundred thirty-nine thousand, one hundred twenty-one".