1052161 has 4 divisors (see below), whose sum is σ = 1147824. Its totient is φ = 956500.

The previous prime is 1052141. The next prime is 1052179. The reversal of 1052161 is 1612501.

It is a happy number.

1052161 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1052161 - 2⁹ = 1051649 is a prime.

It is a super-2 number, since 2×1052161² = 2214085539842, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47815 + ... + 47836.

It is an arithmetic number, because the mean of its divisors is an integer number (286956).

2^1052161 is an apocalyptic number.

1052161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1052161 is a deficient number, since it is larger than the sum of its proper divisors (95663).

1052161 is an equidigital number, since it uses as much as digits as its factorization.

1052161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95662.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1052161 is about 1025.7489946376. The cubic root of 1052161 is about 101.7093159172.

Adding to 1052161 its reverse (1612501), we get a palindrome (2664662).

The spelling of 1052161 in words is "one million, fifty-two thousand, one hundred sixty-one".