1309112204 has 24 divisors (see below), whose sum is σ = 2311545600. Its totient is φ = 648696080.

The previous prime is 1309112201. The next prime is 1309112209. The reversal of 1309112204 is 4022119031.

It is a self number, because there is not a number n which added to its sum of digits gives 1309112204.

It is not an unprimeable number, because it can be changed into a prime (1309112201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219737 + ... + 225615.

It is an arithmetic number, because the mean of its divisors is an integer number (96314400).

Almost surely, 2^1309112204 is an apocalyptic number.

It is an amenable number.

1309112204 is a deficient number, since it is larger than the sum of its proper divisors (1002433396).

1309112204 is a wasteful number, since it uses less digits than its factorization.

1309112204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373 (or 6371 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1309112204 is about 36181.6556282324. The cubic root of 1309112204 is about 1093.9369467919.

The spelling of 1309112204 in words is "one billion, three hundred nine million, one hundred twelve thousand, two hundred four".