1113124477 has 2 divisors, whose sum is σ = 1113124478. Its totient is φ = 1113124476.

The previous prime is 1113124469. The next prime is 1113124499. The reversal of 1113124477 is 7744213111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660541401 + 452583076 = 25701^2 + 21274^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113124477 - 2³ = 1113124469 is a prime.

It is a super-2 number, since 2×1113124477² = 2478092202593047058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113124427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556562238 + 556562239.

It is an arithmetic number, because the mean of its divisors is an integer number (556562239).

Almost surely, 2^1113124477 is an apocalyptic number.

It is an amenable number.

1113124477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113124477 is an equidigital number, since it uses as much as digits as its factorization.

1113124477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 31.

The square root of 1113124477 is about 33363.5201530054. The cubic root of 1113124477 is about 1036.3693907566.

Adding to 1113124477 its reverse (7744213111), we get a palindrome (8857337588).

The spelling of 1113124477 in words is "one billion, one hundred thirteen million, one hundred twenty-four thousand, four hundred seventy-seven".