1361147 has 4 divisors (see below), whose sum is σ = 1373976. Its totient is φ = 1348320.

The previous prime is 1361137. The next prime is 1361149. The reversal of 1361147 is 7411631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7411631 = 1291 ⋅5741.

It is a cyclic number.

It is not a de Polignac number, because 1361147 - 2⁴ = 1361131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361149) 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, 6254 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (343494).

2^1361147 is an apocalyptic number.

1361147 is a deficient number, since it is larger than the sum of its proper divisors (12829).

1361147 is a wasteful number, since it uses less digits than its factorization.

1361147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828.

The product of its digits is 504, while the sum is 23.

The square root of 1361147 is about 1166.6820475177. The cubic root of 1361147 is about 110.8243033830.

Adding to 1361147 its reverse (7411631), we get a palindrome (8772778).

The spelling of 1361147 in words is "one million, three hundred sixty-one thousand, one hundred forty-seven".