1129711230 has 48 divisors (see below), whose sum is σ = 2948231520. Its totient is φ = 300129984.

The previous prime is 1129711229. The next prime is 1129711237. The reversal of 1129711230 is 321179211.

It is a super-2 number, since 2×1129711230² = 2552494926376225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1129711194 and 1129711203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129711237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879 + ... + 47541.

It is an arithmetic number, because the mean of its divisors is an integer number (61421490).

Almost surely, 2^1129711230 is an apocalyptic number.

1129711230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129711230 is an abundant number, since it is smaller than the sum of its proper divisors (1818520290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129711230 is a wasteful number, since it uses less digits than its factorization.

1129711230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46945 (or 46942 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1129711230 is about 33611.1771587964. The cubic root of 1129711230 is about 1041.4917049149.

The spelling of 1129711230 in words is "one billion, one hundred twenty-nine million, seven hundred eleven thousand, two hundred thirty".