1109071830 has 32 divisors (see below), whose sum is σ = 2699267328. Its totient is φ = 291586400.

The previous prime is 1109071829. The next prime is 1109071849. The reversal of 1109071830 is 381709011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258216 + ... + 262475.

It is an arithmetic number, because the mean of its divisors is an integer number (84352104).

Almost surely, 2^1109071830 is an apocalyptic number.

1109071830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109071830 is an abundant number, since it is smaller than the sum of its proper divisors (1590195498).

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

1109071830 is a wasteful number, since it uses less digits than its factorization.

1109071830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520772.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 1109071830 is about 33302.7300682692. The cubic root of 1109071830 is about 1035.1101285414.

The spelling of 1109071830 in words is "one billion, one hundred nine million, seventy-one thousand, eight hundred thirty".