1385043 has 24 divisors (see below), whose sum is σ = 2166720. Its totient is φ = 778320.

The previous prime is 1385039. The next prime is 1385051. The reversal of 1385043 is 3405831.

It is not a de Polignac number, because 1385043 - 2² = 1385039 is a prime.

It is a super-2 number, since 2×1385043² = 3836688223698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1385003) 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, 29446 + ... + 29492.

It is an arithmetic number, because the mean of its divisors is an integer number (90280).

2^1385043 is an apocalyptic number.

1385043 is a deficient number, since it is larger than the sum of its proper divisors (781677).

1385043 is a wasteful number, since it uses less digits than its factorization.

1385043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1385043 is about 1176.8784984016. The cubic root of 1385043 is about 111.4690805564.

The spelling of 1385043 in words is "one million, three hundred eighty-five thousand, forty-three".