11463121 has 2 divisors, whose sum is σ = 11463122. Its totient is φ = 11463120.

The previous prime is 11463107. The next prime is 11463139. The reversal of 11463121 is 12136411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7617600 + 3845521 = 2760^2 + 1961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11463121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11463161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5731560 + 5731561.

It is an arithmetic number, because the mean of its divisors is an integer number (5731561).

Almost surely, 2^11463121 is an apocalyptic number.

It is an amenable number.

11463121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11463121 is an equidigital number, since it uses as much as digits as its factorization.

11463121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 11463121 is about 3385.7231133098. The cubic root of 11463121 is about 225.4763308015.

Adding to 11463121 its reverse (12136411), we get a palindrome (23599532).

The spelling of 11463121 in words is "eleven million, four hundred sixty-three thousand, one hundred twenty-one".