1052145 has 24 divisors (see below), whose sum is σ = 1849536. Its totient is φ = 553248.

The previous prime is 1052141. The next prime is 1052179. The reversal of 1052145 is 5412501.

It is not a de Polignac number, because 1052145 - 2² = 1052141 is a prime.

It is a super-2 number, since 2×1052145² = 2214018202050, which contains 22 as substring.

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

1052145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1052141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4522 + ... + 4748.

It is an arithmetic number, because the mean of its divisors is an integer number (77064).

2^1052145 is an apocalyptic number.

1052145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052145 is a deficient number, since it is larger than the sum of its proper divisors (797391).

1052145 is a wasteful number, since it uses less digits than its factorization.

1052145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1052145 is about 1025.7411954289. The cubic root of 1052145 is about 101.7088003569.

Adding to 1052145 its reverse (5412501), we get a palindrome (6464646).

The spelling of 1052145 in words is "one million, fifty-two thousand, one hundred forty-five".