1318826241 has 6 divisors (see below), whose sum is σ = 1904971250. Its totient is φ = 879217488.

The previous prime is 1318826239. The next prime is 1318826269. The reversal of 1318826241 is 1426288131.

1318826241 is a `hidden beast` number, since 13 + 18 + 8 + 2 + 624 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 984704400 + 334121841 = 31380^2 + 18279^2 .

It is not a de Polignac number, because 1318826241 - 2¹ = 1318826239 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1318826196 and 1318826205.

It is not an unprimeable number, because it can be changed into a prime (1318826231) 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, 73268116 + ... + 73268133.

Almost surely, 2^1318826241 is an apocalyptic number.

It is an amenable number.

1318826241 is a deficient number, since it is larger than the sum of its proper divisors (586145009).

1318826241 is a wasteful number, since it uses less digits than its factorization.

1318826241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146536255 (or 146536252 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1318826241 is about 36315.6473300422. The cubic root of 1318826241 is about 1096.6360705775.

The spelling of 1318826241 in words is "one billion, three hundred eighteen million, eight hundred twenty-six thousand, two hundred forty-one".