1204469859 has 4 divisors (see below), whose sum is σ = 1605959816. Its totient is φ = 802979904.

The previous prime is 1204469857. The next prime is 1204469863. The reversal of 1204469859 is 9589644021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1204469859 - 2¹ = 1204469857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204469857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200744974 + ... + 200744979.

It is an arithmetic number, because the mean of its divisors is an integer number (401489954).

Almost surely, 2^1204469859 is an apocalyptic number.

1204469859 is a deficient number, since it is larger than the sum of its proper divisors (401489957).

1204469859 is an equidigital number, since it uses as much as digits as its factorization.

1204469859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401489956.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1204469859 is about 34705.4730410061. The cubic root of 1204469859 is about 1063.9763604312.

It can be divided in two parts, 120446 and 9859, that added together give a triangular number (130305 = T₅₁₀).

The spelling of 1204469859 in words is "one billion, two hundred four million, four hundred sixty-nine thousand, eight hundred fifty-nine".