1385111 has 16 divisors (see below), whose sum is σ = 1763328. Its totient is φ = 1058400.

The previous prime is 1385101. The next prime is 1385113. The reversal of 1385111 is 1115831.

It is not a de Polignac number, because 1385111 - 2¹⁰ = 1384087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2576 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (110208).

2^1385111 is an apocalyptic number.

1385111 is a deficient number, since it is larger than the sum of its proper divisors (378217).

1385111 is a wasteful number, since it uses less digits than its factorization.

1385111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its digits is 120, while the sum is 20.

The square root of 1385111 is about 1176.9073880302. The cubic root of 1385111 is about 111.4709047533.

It can be divided in two parts, 1385 and 111, that multiplied together give a triangular number (153735 = T₅₅₄).

The spelling of 1385111 in words is "one million, three hundred eighty-five thousand, one hundred eleven".