1129730 has 16 divisors (see below), whose sum is σ = 2324160. Its totient is φ = 387312.

The previous prime is 1129729. The next prime is 1129741. The reversal of 1129730 is 379211.

It is a super-3 number, since 3×1129730³ = 4325588874333951000, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1129696 and 1129705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8000 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (145260).

2^1129730 is an apocalyptic number.

1129730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129730 is an abundant number, since it is smaller than the sum of its proper divisors (1194430).

1129730 is a wasteful number, since it uses less digits than its factorization.

1129730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1129730 is about 1062.8875763692. The cubic root of 1129730 is about 104.1497472964.

The spelling of 1129730 in words is "one million, one hundred twenty-nine thousand, seven hundred thirty".