1124399761 has 4 divisors (see below), whose sum is σ = 1130107572. Its totient is φ = 1118691952.

The previous prime is 1124399701. The next prime is 1124399767. The reversal of 1124399761 is 1679934211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 615040000 + 509359761 = 24800^2 + 22569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1124399761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124399767) 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 3 ways as a sum of consecutive naturals, for example, 2853610 + ... + 2854003.

It is an arithmetic number, because the mean of its divisors is an integer number (282526893).

Almost surely, 2^1124399761 is an apocalyptic number.

It is an amenable number.

1124399761 is a deficient number, since it is larger than the sum of its proper divisors (5707811).

1124399761 is an equidigital number, since it uses as much as digits as its factorization.

1124399761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707810.

The product of its digits is 81648, while the sum is 43.

The square root of 1124399761 is about 33532.0706339468. The cubic root of 1124399761 is about 1039.8569086293.

The spelling of 1124399761 in words is "one billion, one hundred twenty-four million, three hundred ninety-nine thousand, seven hundred sixty-one".