1385261 has 8 divisors (see below), whose sum is σ = 1438560. Its totient is φ = 1333072.

The previous prime is 1385213. The next prime is 1385273. The reversal of 1385261 is 1625831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1385261 - 2¹⁰ = 1384237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (179820).

2^1385261 is an apocalyptic number.

It is an amenable number.

1385261 is a deficient number, since it is larger than the sum of its proper divisors (53299).

1385261 is an equidigital number, since it uses as much as digits as its factorization.

1385261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 1440, while the sum is 26.

The square root of 1385261 is about 1176.9711126447. The cubic root of 1385261 is about 111.4749285060.

The spelling of 1385261 in words is "one million, three hundred eighty-five thousand, two hundred sixty-one".