1371161 has 8 divisors (see below), whose sum is σ = 1544448. Its totient is φ = 1206000.

The previous prime is 1371157. The next prime is 1371179. The reversal of 1371161 is 1611731.

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 1371161 - 2² = 1371157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1371121) 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, 1670 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (193056).

2^1371161 is an apocalyptic number.

1371161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1371161 is a deficient number, since it is larger than the sum of its proper divisors (173287).

1371161 is a wasteful number, since it uses less digits than its factorization.

1371161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its digits is 126, while the sum is 20.

The square root of 1371161 is about 1170.9658406632. The cubic root of 1371161 is about 111.0954188580.

Adding to 1371161 its reverse (1611731), we get a palindrome (2982892).

The spelling of 1371161 in words is "one million, three hundred seventy-one thousand, one hundred sixty-one".