1124112861 has 6 divisors (see below), whose sum is σ = 1623718590. Its totient is φ = 749408568.

The previous prime is 1124112859. The next prime is 1124112887. The reversal of 1124112861 is 1682114211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1098922500 + 25190361 = 33150^2 + 5019^2 .

It is not a de Polignac number, because 1124112861 - 2¹ = 1124112859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124112841) 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 in 5 ways as a sum of consecutive naturals, for example, 62450706 + ... + 62450723.

It is an arithmetic number, because the mean of its divisors is an integer number (270619765).

Almost surely, 2^1124112861 is an apocalyptic number.

It is an amenable number.

1124112861 is a deficient number, since it is larger than the sum of its proper divisors (499605729).

1124112861 is a wasteful number, since it uses less digits than its factorization.

1124112861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124901435 (or 124901432 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 1124112861 is about 33527.7923669305. The cubic root of 1124112861 is about 1039.7684583779.

The spelling of 1124112861 in words is "one billion, one hundred twenty-four million, one hundred twelve thousand, eight hundred sixty-one".