1316241 has 6 divisors (see below), whose sum is σ = 1901250. Its totient is φ = 877488.

The previous prime is 1316239. The next prime is 1316251. The reversal of 1316241 is 1426131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 16641 = 1140^2 + 129^2 .

It is not a de Polignac number, because 1316241 - 2¹ = 1316239 is a prime.

1316241 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73116 + ... + 73133.

It is an arithmetic number, because the mean of its divisors is an integer number (316875).

2^1316241 is an apocalyptic number.

It is an amenable number.

1316241 is a deficient number, since it is larger than the sum of its proper divisors (585009).

1316241 is a wasteful number, since it uses less digits than its factorization.

1316241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146255 (or 146252 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1316241 is about 1147.2754682290. The cubic root of 1316241 is about 109.5919038277.

It can be divided in two parts, 13162 and 41, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 1316241 in words is "one million, three hundred sixteen thousand, two hundred forty-one".