1129471127 has 8 divisors (see below), whose sum is σ = 1140268272. Its totient is φ = 1118707200.

The previous prime is 1129471103. The next prime is 1129471163. The reversal of 1129471127 is 7211749211.

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

It is a cyclic number.

It is not a de Polignac number, because 1129471127 - 2²⁰ = 1128422551 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 (1129474127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62903 + ... + 78839.

It is an arithmetic number, because the mean of its divisors is an integer number (142533534).

Almost surely, 2^1129471127 is an apocalyptic number.

1129471127 is a deficient number, since it is larger than the sum of its proper divisors (10797145).

1129471127 is a wasteful number, since it uses less digits than its factorization.

1129471127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16609.

The product of its digits is 7056, while the sum is 35.

The square root of 1129471127 is about 33607.6051958482. The cubic root of 1129471127 is about 1041.4179152614.

The spelling of 1129471127 in words is "one billion, one hundred twenty-nine million, four hundred seventy-one thousand, one hundred twenty-seven".