1209373930 has 16 divisors (see below), whose sum is σ = 2187193824. Its totient is φ = 481456080.

The previous prime is 1209373903. The next prime is 1209373933. The reversal of 1209373930 is 393739021.

It is a self number, because there is not a number n which added to its sum of digits gives 1209373930.

It is not an unprimeable number, because it can be changed into a prime (1209373933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284472 + ... + 288691.

It is an arithmetic number, because the mean of its divisors is an integer number (136699614).

Almost surely, 2^1209373930 is an apocalyptic number.

1209373930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1209373930 is a deficient number, since it is larger than the sum of its proper divisors (977819894).

1209373930 is a wasteful number, since it uses less digits than its factorization.

1209373930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573381.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 1209373930 is about 34776.0539739632. The cubic root of 1209373930 is about 1065.4184194972.

The spelling of 1209373930 in words is "one billion, two hundred nine million, three hundred seventy-three thousand, nine hundred thirty".