1129184272 has 10 divisors (see below), whose sum is σ = 2187794558. Its totient is φ = 564592128.

The previous prime is 1129184249. The next prime is 1129184279. The reversal of 1129184272 is 2724819211.

It can be written as a sum of positive squares in only one way, i.e., 1053911296 + 75272976 = 32464^2 + 8676^2 .

It is a super-3 number, since 3×1129184272³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1129184279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35286993 + ... + 35287024.

Almost surely, 2^1129184272 is an apocalyptic number.

It is an amenable number.

1129184272 is a deficient number, since it is larger than the sum of its proper divisors (1058610286).

1129184272 is an equidigital number, since it uses as much as digits as its factorization.

1129184272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70574025 (or 70574019 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 1129184272 is about 33603.3372152231. The cubic root of 1129184272 is about 1041.3297438383.

The spelling of 1129184272 in words is "one billion, one hundred twenty-nine million, one hundred eighty-four thousand, two hundred seventy-two".