1129925769 has 8 divisors (see below), whose sum is σ = 1721791680. Its totient is φ = 645671856.

The previous prime is 1129925717. The next prime is 1129925773. The reversal of 1129925769 is 9675299211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1129925769 - 2⁹ = 1129925257 is a prime.

It is a super-2 number, since 2×1129925769² = 2553464486900482722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1129925779) 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, 26902974 + ... + 26903015.

It is an arithmetic number, because the mean of its divisors is an integer number (215223960).

Almost surely, 2^1129925769 is an apocalyptic number.

It is an amenable number.

1129925769 is a deficient number, since it is larger than the sum of its proper divisors (591865911).

1129925769 is an equidigital number, since it uses as much as digits as its factorization.

1129925769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53805999.

The product of its digits is 612360, while the sum is 51.

The square root of 1129925769 is about 33614.3684902751. The cubic root of 1129925769 is about 1041.5576292681.

The spelling of 1129925769 in words is "one billion, one hundred twenty-nine million, nine hundred twenty-five thousand, seven hundred sixty-nine".