1129004217 has 16 divisors (see below), whose sum is σ = 1824653760. Its totient is φ = 684244800.

The previous prime is 1129004209. The next prime is 1129004231. The reversal of 1129004217 is 7124009211.

It is not a de Polignac number, because 1129004217 - 2³ = 1129004209 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1129004207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1900384 + ... + 1900977.

It is an arithmetic number, because the mean of its divisors is an integer number (114040860).

Almost surely, 2^1129004217 is an apocalyptic number.

It is an amenable number.

1129004217 is a deficient number, since it is larger than the sum of its proper divisors (695649543).

1129004217 is a wasteful number, since it uses less digits than its factorization.

1129004217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801381 (or 3801375 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1129004217 is about 33600.6579846288. The cubic root of 1129004217 is about 1041.2743922013.

The spelling of 1129004217 in words is "one billion, one hundred twenty-nine million, four thousand, two hundred seventeen".