1365261 has 8 divisors (see below), whose sum is σ = 1825824. Its totient is φ = 907440.

The previous prime is 1365251. The next prime is 1365269. The reversal of 1365261 is 1625631.

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

It is not a de Polignac number, because 1365261 - 2⁶ = 1365197 is a prime.

1365261 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365269) 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, 1315 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (228228).

2^1365261 is an apocalyptic number.

It is an amenable number.

1365261 is a deficient number, since it is larger than the sum of its proper divisors (460563).

1365261 is an equidigital number, since it uses as much as digits as its factorization.

1365261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its digits is 1080, while the sum is 24.

The square root of 1365261 is about 1168.4438369045. The cubic root of 1365261 is about 110.9358447548.

The spelling of 1365261 in words is "one million, three hundred sixty-five thousand, two hundred sixty-one".