1052109 has 20 divisors (see below), whose sum is σ = 1626240. Its totient is φ = 677160.

The previous prime is 1052099. The next prime is 1052111. The reversal of 1052109 is 9012501.

It is not a de Polignac number, because 1052109 - 2¹² = 1048013 is a prime.

It is a super-2 number, since 2×1052109² = 2213866695762, which contains 22 as substring.

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1052091 and 1052100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2302 + ... + 2720.

It is an arithmetic number, because the mean of its divisors is an integer number (81312).

2^1052109 is an apocalyptic number.

It is an amenable number.

1052109 is a deficient number, since it is larger than the sum of its proper divisors (574131).

1052109 is an equidigital number, since it uses as much as digits as its factorization.

1052109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1052109 is about 1025.7236469927. The cubic root of 1052109 is about 101.7076403271.

It can be divided in two parts, 105 and 2109, that multiplied together give a triangular number (221445 = T₆₆₅).

The spelling of 1052109 in words is "one million, fifty-two thousand, one hundred nine".