1052170729 has 2 divisors, whose sum is σ = 1052170730. Its totient is φ = 1052170728.

The previous prime is 1052170703. The next prime is 1052170753. The reversal of 1052170729 is 9270712501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 914155225 + 138015504 = 30235^2 + 11748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052170729 - 2⁷ = 1052170601 is a prime.

It is a super-2 number, since 2×1052170729² = 2214126485928782882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052170694 and 1052170703.

It is not a weakly prime, because it can be changed into another prime (1052170759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526085364 + 526085365.

It is an arithmetic number, because the mean of its divisors is an integer number (526085365).

Almost surely, 2^1052170729 is an apocalyptic number.

It is an amenable number.

1052170729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052170729 is an equidigital number, since it uses as much as digits as its factorization.

1052170729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 1052170729 is about 32437.1812739640. The cubic root of 1052170729 is about 1017.0962940753.

The spelling of 1052170729 in words is "one billion, fifty-two million, one hundred seventy thousand, seven hundred twenty-nine".