1052043245309 has 32 divisors (see below), whose sum is σ = 1270020052224. Its totient is φ = 852757701120.

The previous prime is 1052043245291. The next prime is 1052043245347. The reversal of 1052043245309 is 9035423402501.

It is a happy number.

It is not a de Polignac number, because 1052043245309 - 2³² = 1047748278013 is a prime.

It is a super-2 number, since 2×1052043245309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052043245509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 845867 + ... + 1679159.

It is an arithmetic number, because the mean of its divisors is an integer number (39688126632).

Almost surely, 2^{1052043245309} is an apocalyptic number.

It is an amenable number.

1052043245309 is a deficient number, since it is larger than the sum of its proper divisors (217976806915).

1052043245309 is an equidigital number, since it uses as much as digits as its factorization.

1052043245309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833477.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 1052043245309 in words is "one trillion, fifty-two billion, forty-three million, two hundred forty-five thousand, three hundred nine".