1124406661 has 4 divisors (see below), whose sum is σ = 1285036192. Its totient is φ = 963777132.

The previous prime is 1124406659. The next prime is 1124406677. The reversal of 1124406661 is 1666044211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1124406661 - 2¹ = 1124406659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124406631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80314755 + ... + 80314768.

It is an arithmetic number, because the mean of its divisors is an integer number (321259048).

Almost surely, 2^1124406661 is an apocalyptic number.

It is an amenable number.

1124406661 is a deficient number, since it is larger than the sum of its proper divisors (160629531).

1124406661 is an equidigital number, since it uses as much as digits as its factorization.

1124406661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160629530.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1124406661 is about 33532.1735203670. The cubic root of 1124406661 is about 1039.8590356896.

The spelling of 1124406661 in words is "one billion, one hundred twenty-four million, four hundred six thousand, six hundred sixty-one".