1209110930 has 16 divisors (see below), whose sum is σ = 2176853184. Its totient is φ = 483543600.

The previous prime is 1209110911. The next prime is 1209110953. The reversal of 1209110930 is 390119021.

It is a self number, because there is not a number n which added to its sum of digits gives 1209110930.

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, 55139 + ... + 73881.

It is an arithmetic number, because the mean of its divisors is an integer number (136053324).

Almost surely, 2^1209110930 is an apocalyptic number.

1209110930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1209110930 is a deficient number, since it is larger than the sum of its proper divisors (967742254).

1209110930 is a wasteful number, since it uses less digits than its factorization.

1209110930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25201.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1209110930 is about 34772.2724307745. The cubic root of 1209110930 is about 1065.3411824652.

Adding to 1209110930 its reverse (390119021), we get a palindrome (1599229951).

The spelling of 1209110930 in words is "one billion, two hundred nine million, one hundred ten thousand, nine hundred thirty".