1129373679 has 32 divisors (see below), whose sum is σ = 1793818624. Its totient is φ = 618438240.

The previous prime is 1129373677. The next prime is 1129373683. The reversal of 1129373679 is 9763739211.

It is a happy number.

It is not a de Polignac number, because 1129373679 - 2¹ = 1129373677 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 (1129373671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58632 + ... + 75474.

It is an arithmetic number, because the mean of its divisors is an integer number (56056832).

Almost surely, 2^1129373679 is an apocalyptic number.

1129373679 is a deficient number, since it is larger than the sum of its proper divisors (664444945).

1129373679 is a wasteful number, since it uses less digits than its factorization.

1129373679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987.

The product of its digits is 428652, while the sum is 48.

The square root of 1129373679 is about 33606.1553736812. The cubic root of 1129373679 is about 1041.3879640718.

The spelling of 1129373679 in words is "one billion, one hundred twenty-nine million, three hundred seventy-three thousand, six hundred seventy-nine".