1129746319 has 16 divisors (see below), whose sum is σ = 1224961920. Its totient is φ = 1035750240.

The previous prime is 1129746313. The next prime is 1129746329. The reversal of 1129746319 is 9136479211.

It is a cyclic number.

It is not a de Polignac number, because 1129746319 - 2³ = 1129746311 is a prime.

It is a super-2 number, since 2×1129746319² = 2552653490588099522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129746311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2300664 + ... + 2301154.

It is an arithmetic number, because the mean of its divisors is an integer number (76560120).

Almost surely, 2^1129746319 is an apocalyptic number.

1129746319 is a deficient number, since it is larger than the sum of its proper divisors (95215601).

1129746319 is a wasteful number, since it uses less digits than its factorization.

1129746319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350.

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

The square root of 1129746319 is about 33611.6991388415. The cubic root of 1129746319 is about 1041.5024877661.

The spelling of 1129746319 in words is "one billion, one hundred twenty-nine million, seven hundred forty-six thousand, three hundred nineteen".