1209770404 has 12 divisors (see below), whose sum is σ = 2117396428. Its totient is φ = 604800000.

The previous prime is 1209770369. The next prime is 1209770423. The reversal of 1209770404 is 4040779021.

It can be written as a sum of positive squares in 2 ways, for example, as 80138304 + 1129632100 = 8952^2 + 33610^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1209770404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19204 + ... + 52804.

Almost surely, 2^1209770404 is an apocalyptic number.

It is an amenable number.

1209770404 is a deficient number, since it is larger than the sum of its proper divisors (907626024).

1209770404 is a wasteful number, since it uses less digits than its factorization.

1209770404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42606 (or 42604 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1209770404 is about 34781.7538948225. The cubic root of 1209770404 is about 1065.5348336021.

The spelling of 1209770404 in words is "one billion, two hundred nine million, seven hundred seventy thousand, four hundred four".