1361131 has 2 divisors, whose sum is σ = 1361132. Its totient is φ = 1361130.

The previous prime is 1361123. The next prime is 1361137. The reversal of 1361131 is 1311631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361131 - 2³ = 1361123 is a prime.

It is a super-2 number, since 2×1361131² = 3705355198322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1361137) 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 as a sum of consecutive naturals, namely, 680565 + 680566.

It is an arithmetic number, because the mean of its divisors is an integer number (680566).

2^1361131 is an apocalyptic number.

1361131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361131 is an equidigital number, since it uses as much as digits as its factorization.

1361131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 16.

The square root of 1361131 is about 1166.6751904451. The cubic root of 1361131 is about 110.8238691424.

Adding to 1361131 its reverse (1311631), we get a palindrome (2672762).

The spelling of 1361131 in words is "one million, three hundred sixty-one thousand, one hundred thirty-one".