1351161 has 20 divisors (see below), whose sum is σ = 2307712. Its totient is φ = 771768.

The previous prime is 1351151. The next prime is 1351169. The reversal of 1351161 is 1611531.

It is not a de Polignac number, because 1351161 - 2¹³ = 1342969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 625 + ... + 1758.

2^1351161 is an apocalyptic number.

It is an amenable number.

1351161 is a deficient number, since it is larger than the sum of its proper divisors (956551).

1351161 is an equidigital number, since it uses as much as digits as its factorization.

1351161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402 (or 2393 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 1351161 is about 1162.3945113429. The cubic root of 1351161 is about 110.5526185521.

Adding to 1351161 its reverse (1611531), we get a palindrome (2962692).

It can be divided in two parts, 135 and 1161, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1351161 in words is "one million, three hundred fifty-one thousand, one hundred sixty-one".