1124928881 has 2 divisors, whose sum is σ = 1124928882. Its totient is φ = 1124928880.

The previous prime is 1124928851. The next prime is 1124928943. The reversal of 1124928881 is 1888294211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970945600 + 153983281 = 31160^2 + 12409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124928881 - 2¹⁸ = 1124666737 is a prime.

It is a super-2 number, since 2×1124928881² = 2530929974615824322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1124928851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562464440 + 562464441.

It is an arithmetic number, because the mean of its divisors is an integer number (562464441).

Almost surely, 2^1124928881 is an apocalyptic number.

It is an amenable number.

1124928881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124928881 is an equidigital number, since it uses as much as digits as its factorization.

1124928881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 44.

The square root of 1124928881 is about 33539.9594662844. The cubic root of 1124928881 is about 1040.0199949928.

The spelling of 1124928881 in words is "one billion, one hundred twenty-four million, nine hundred twenty-eight thousand, eight hundred eighty-one".