1052161243 has 8 divisors (see below), whose sum is σ = 1254751488. Its totient is φ = 862641384.

The previous prime is 1052161241. The next prime is 1052161259. The reversal of 1052161243 is 3421612501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052161243 - 2¹ = 1052161241 is a prime.

It is a super-2 number, since 2×1052161243² = 2214086562542610098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052161241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267421 + ... + 3267742.

It is an arithmetic number, because the mean of its divisors is an integer number (156843936).

Almost surely, 2^1052161243 is an apocalyptic number.

1052161243 is a deficient number, since it is larger than the sum of its proper divisors (202590245).

1052161243 is an equidigital number, since it uses as much as digits as its factorization.

1052161243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535193.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1052161243 is about 32437.0350525445. The cubic root of 1052161243 is about 1017.0932374724.

Adding to 1052161243 its reverse (3421612501), we get a palindrome (4473773744).

The spelling of 1052161243 in words is "one billion, fifty-two million, one hundred sixty-one thousand, two hundred forty-three".