1129451732 has 24 divisors (see below), whose sum is σ = 2083166400. Its totient is φ = 534335616.

The previous prime is 1129451707. The next prime is 1129451747. The reversal of 1129451732 is 2371549211.

It is a super-2 number, since 2×1129451732² = 2551322429835599648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1129451692 and 1129451701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54908 + ... + 72620.

It is an arithmetic number, because the mean of its divisors is an integer number (86798600).

Almost surely, 2^1129451732 is an apocalyptic number.

It is an amenable number.

1129451732 is a deficient number, since it is larger than the sum of its proper divisors (953714668).

1129451732 is a wasteful number, since it uses less digits than its factorization.

1129451732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18575 (or 18573 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 1129451732 is about 33607.3166438500. The cubic root of 1129451732 is about 1041.4119542366.

The spelling of 1129451732 in words is "one billion, one hundred twenty-nine million, four hundred fifty-one thousand, seven hundred thirty-two".