1129929746 has 16 divisors (see below), whose sum is σ = 1850700960. Its totient is φ = 513125280.

The previous prime is 1129929743. The next prime is 1129929751. The reversal of 1129929746 is 6479299211.

It is a junction number, because it is equal to n+sod(n) for n = 1129929694 and 1129929703.

It is not an unprimeable number, because it can be changed into a prime (1129929743) 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 7 ways as a sum of consecutive naturals, for example, 725 + ... + 47543.

It is an arithmetic number, because the mean of its divisors is an integer number (115668810).

Almost surely, 2^1129929746 is an apocalyptic number.

1129929746 is a deficient number, since it is larger than the sum of its proper divisors (720771214).

1129929746 is a wasteful number, since it uses less digits than its factorization.

1129929746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47929.

The product of its digits is 489888, while the sum is 50.

The square root of 1129929746 is about 33614.4276464735. The cubic root of 1129929746 is about 1041.5588512568.

The spelling of 1129929746 in words is "one billion, one hundred twenty-nine million, nine hundred twenty-nine thousand, seven hundred forty-six".