1385201 has 4 divisors (see below), whose sum is σ = 1388004. Its totient is φ = 1382400.

The previous prime is 1385191. The next prime is 1385203. The reversal of 1385201 is 1025831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1025831 = 17 ⋅60343.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 303601 = 1040^2 + 551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1385201 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (347001).

2^1385201 is an apocalyptic number.

It is an amenable number.

1385201 is a deficient number, since it is larger than the sum of its proper divisors (2803).

1385201 is an equidigital number, since it uses as much as digits as its factorization.

1385201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1385201 is about 1176.9456232129. The cubic root of 1385201 is about 111.4733190398.

The spelling of 1385201 in words is "one million, three hundred eighty-five thousand, two hundred one".