1361265 has 16 divisors (see below), whose sum is σ = 2196096. Its totient is φ = 720000.

The previous prime is 1361197. The next prime is 1361273. The reversal of 1361265 is 5621631.

It is not a de Polignac number, because 1361265 - 2⁷ = 1361137 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (137256).

2^1361265 is an apocalyptic number.

1361265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1361265 is a deficient number, since it is larger than the sum of its proper divisors (834831).

1361265 is a wasteful number, since it uses less digits than its factorization.

1361265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

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

The square root of 1361265 is about 1166.7326171836. The cubic root of 1361265 is about 110.8275058022.

Adding to 1361265 its reverse (5621631), we get a palindrome (6982896).

The spelling of 1361265 in words is "one million, three hundred sixty-one thousand, two hundred sixty-five".