1204123236 has 24 divisors (see below), whose sum is σ = 2828481600. Its totient is φ = 398680032.

The previous prime is 1204123229. The next prime is 1204123267. The reversal of 1204123236 is 6323214021.

It is a super-2 number, since 2×1204123236² = 2899825534950223392, which contains 22 as substring.

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, 334936 + ... + 338511.

It is an arithmetic number, because the mean of its divisors is an integer number (117853400).

Almost surely, 2^1204123236 is an apocalyptic number.

It is an amenable number.

1204123236 is an abundant number, since it is smaller than the sum of its proper divisors (1624358364).

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

1204123236 is a wasteful number, since it uses less digits than its factorization.

1204123236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673603 (or 673601 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1204123236 is about 34700.4789015944. The cubic root of 1204123236 is about 1063.8742867378.

Adding to 1204123236 its reverse (6323214021), we get a palindrome (7527337257).

The spelling of 1204123236 in words is "one billion, two hundred four million, one hundred twenty-three thousand, two hundred thirty-six".