1131463 has 2 divisors, whose sum is σ = 1131464. Its totient is φ = 1131462.

The previous prime is 1131451. The next prime is 1131467. The reversal of 1131463 is 3641311.

It is a strong prime.

It is an emirp because it is prime and its reverse (3641311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131463 - 2⁹ = 1130951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565731 + 565732.

It is an arithmetic number, because the mean of its divisors is an integer number (565732).

2^1131463 is an apocalyptic number.

1131463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131463 is an equidigital number, since it uses as much as digits as its factorization.

1131463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1131463 is about 1063.7024960016. The cubic root of 1131463 is about 104.2029751472.

Adding to 1131463 its reverse (3641311), we get a palindrome (4772774).

The spelling of 1131463 in words is "one million, one hundred thirty-one thousand, four hundred sixty-three".