1349181 has 6 divisors (see below), whose sum is σ = 1948830. Its totient is φ = 899448.

The previous prime is 1349177. The next prime is 1349189. The reversal of 1349181 is 1819431.

It can be written as a sum of positive squares in only one way, i.e., 933156 + 416025 = 966^2 + 645^2 .

It is not a de Polignac number, because 1349181 - 2² = 1349177 is a prime.

It is a super-2 number, since 2×1349181² = 3640578741522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74946 + ... + 74963.

It is an arithmetic number, because the mean of its divisors is an integer number (324805).

2^1349181 is an apocalyptic number.

It is an amenable number.

1349181 is a deficient number, since it is larger than the sum of its proper divisors (599649).

1349181 is a wasteful number, since it uses less digits than its factorization.

1349181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149915 (or 149912 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1349181 is about 1161.5425089079. The cubic root of 1349181 is about 110.4985906470.

It can be divided in two parts, 13 and 49181, that added together give a palindrome (49194).

The spelling of 1349181 in words is "one million, three hundred forty-nine thousand, one hundred eighty-one".