1052112661 has 2 divisors, whose sum is σ = 1052112662. Its totient is φ = 1052112660.

The previous prime is 1052112647. The next prime is 1052112679. The reversal of 1052112661 is 1662112501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575520100 + 476592561 = 23990^2 + 21831^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052112661 - 2²³ = 1043724053 is a prime.

It is a super-2 number, since 2×1052112661² = 2213882102873001842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052112601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526056330 + 526056331.

It is an arithmetic number, because the mean of its divisors is an integer number (526056331).

Almost surely, 2^1052112661 is an apocalyptic number.

It is an amenable number.

1052112661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052112661 is an equidigital number, since it uses as much as digits as its factorization.

1052112661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1052112661 is about 32436.2861776745. The cubic root of 1052112661 is about 1017.0775829693.

The spelling of 1052112661 in words is "one billion, fifty-two million, one hundred twelve thousand, six hundred sixty-one".